Neil realized he didn’t have to wait for interviewers to ask him questions, he could just start recording and nobody can possibly interrupt him ever again
Plus the old light bulbs were quite valued for their heat output by people--and chickens--in cold environments. So the long wave IR wasn't always useless.
we are only just scratching the surface of the IR health benefits old bulbs had. LEDs while more efficient emit high frequency EMFs. They are better than CFLs but... two steps forward, one back.
A plain heater is more efficient and durable... chickens also don't like not to be able to sleep longer than 20 minutes. Get dark, IR bulb, and chicks sleep at night instead of suffering "passing-out naps".
Though it wouldn't be ethical, research could be done to discover the long term potential harm of using microwaves to heat the humans in a home. Very inexpensive. Perhaps a video could be done on this soon. It's an old idea that couldn't be tried, perhaps experiment in a zoo, a prison, or a totalitarian regime?
@@edtrine8692 Technology Connections already covered this problem. Just install heaters on the LED traffic lights that turn on when the light is covered in snow. Sure, it'll use more power than incandescent bulbs when it snows, but you then save 90% of power usage when it doesn't snow which is most of the time.
They have their place in the home for sure. But on vehicles, I agree that light bulbs that don't heat up the headlight housings much are inferior. Especially considering it doesn't change your fuel bill, unlike how light bulbs can change your household electric bill. I'd just rather have snow melt capabilities in the cars.
But you still use your television your internet router which is always on You charge your phone maybe twice a day You play video Games And everything in your kitchen is electronic the coffee maker the refrigerator the toaster 😂😂😂
@@drabkebabit adds up in the winter when you need artificial lighting and heat the most. Heck I live in a mild cold climate and we used a perpetually on incandescent bulb to keep our pump house pipes from freezing.
@@drabkebabagree, the most efficient way of heating in winter is firing up your early 2010s gaming computer. And in Russia, people live in data centers in the winter
We use incandescent lights in the pump house and we actually need that infrared to keep the pipes from freezing. The present lack of incandescent bulbs is a pita.
@@T-REX677 Thats nonsense. Nobody can hack normal LED lights. If you pay extra for a smart light that can be remote controled, i can be hacked. But then your argument is like buying a car with a trailer and then complain about the trailer.
"Easier on the eyes"? You can get LED in either cool or warm tones... or even selectively switchable. Incandescent is also an *inefficient* source of heat that isn't wanted or needed all year. In the summer, part of any home AC cooling would be to offset the heat from the incandescent bulbs. The LED bulbs themselves give light for on average 25 times as long (25,000 hours vs 1,000 for incandescent) That is 3 years of all day, every day for the LED bulb. So, it can be justified just based on replacement frequency. It's easily worth the extra upfront cost. Technology advances... LED are the next step for lighting.
Incandescent 40W bulbs are used in ovens and in older refrigerators to defrost the coils. They are still sold as they can’t be replaced with LED light bulbs.
Thankyou for this. You’re correct. All stoves use that 40watt clear bulb. I use those in the lamps. It has a look that’s very pleasing. Now an LED is great to read book and newspaper by, but most of our reading is done on the computer.
LED bulbs do also generate some heat, just not nearly as much. Sometimes some of them do generate enough heat to cause them to die an early death, compared to how long they can live if that heat is properly extracted from the package and dealt with.
It takes forever for them to warm up enough in cold weather. I know what you mean. I would have to turn on a light long before I needed it just to illuminate the area I needed. Yeah, that technology isn’t where it should be yet. It’s like, keep working on it and maybe I’ll see the advantages. Have you found that too?
@@gailcapshaw5772 Are you sure you're not thinking of CFL bulbs? Generally speaking, the cooler the environment, the greater an LED's light output. This quality means that LED lighting actually performs well in cold temperatures. In fact, these lights will turn on instantly in cold temperatures, as the cold does not affect them.
Neil implies that LED bulbs are 100% efficient, but not true. They produce 9-10 times the light output of an incandescent bulb for the same power, but do have some overhead in the conversion from high voltage AC to low voltage DC. The actual LEDs operate on 2-5 VDC, rather than 100VAC or more.
He still explaining light related subjects and we are sitting in the dark for a month now. He has the light bulb on his hands. So we have to wait. 2 people have starve to death. The rest of us are thinking about eating them. The smell is awful. But now we now about neutrinos.
Even things plugged into outlets that aren't "on" are using electricity. Unplug anything that is not in use. Like phone chargers, and other things that are sitting in an outlet not being used until you need it. And think about anything else electricity wise that may be running most of the day that you can turn off. This has helped me. May help you as well.
The heat from incandescent bulbs is not wasted if you live in Minnesota in the winter. In fact in those cases, the incandescent bulb is 100% efficiency… it provides needed light and needed heat.
Nope, not 100% efficient. When filament gets hot, it expands, which uses energy, and the expansion causes sound waves between bulb and filament, which works as an air conditioning unit. Also, when filament heats up, nearby gas particles are heated up and ionised. Also, electrons are ejected from filament by thermionic emission, these electrons can interact with earth's or the sun's magnetic fields and convert the heat energy into kinetic energy. So nope, sadly not 100% efficient.
Yea the guys not that bright still catching up with society. Then talks about light bulbs like uts something he himself contributed because he's never actually contributed anything to modern science other than his lobbying
but dont worry those expensive bulbs that are worse for the environment to produce and dispose of, and aren't any better to use, well they're "saving the world" by all that nasty climate change incandescent bulbs cause, ya know!?
The Amish are the greatest adapters to Solar; but their electrical needs are about Necessity, &use something like 30% ov a ‘Standard Household.’ Blame Capitalism allowed free reign from about 1980 onwards &the need to destroy ‘Socialism’ in whatever form.
@@vladimird5280Neil's a physicist. That's his specialty. Yet he runs his mouth as the know it all. If were speaking of physics I would be a fool to ignore. Yet, on social sciences with Neil loves to spout his opinion. It is nothing more than that. Neils opinion. Yet because of his physics background far to many fools take it for fact. It's fun to listen to his opinion. Just don't always take it for fact.
There are downsides, the light from led bulbs stop natural melitonin prodution so they ruin nightime routines required to get good sleep (bad for those of us with sleep disorders) but they do use much less electricity & are much cheaper to run, the old style lightbulb lasts much longer outside, if you live in a place that the temp can effect its lifespan. We had an old style bulb as our porchlight (three bulbs in ten years) but the led bulb stopped working after a couple months because of the lack of heat it produced.
Also, they cost 3x more to manufacture, and 10x more to buy. And the do not last long enough to compensate for the added strain on the environment during the manufacture. Everyone loses apart from the VAT collector and the big corps.
I have them throughout my home and haven't needed to replace a single bulb in almost 5 years. I haven't done the maths on your claim, but I'm more than happy with the new LED bulbs.
The same way you could unscrew an old lightbulb without waiting for the glass to cool off. Just avoid to touching the hot parts directly. For old bulbs use an oven mitt or a towel or any basic pair of gloves. For LEDs just set the bulb down and let it cool down. There's no need to let the base cool off before removing it.
1/2 hour? a few seconds seems to be all they need. There's a 60W equivalent right next to me which has been on for several hours, and its temperature is just a little warm. I can grab it and unscrew it while it is on.
That's the DC power supply making the heat. They use inefficient garbage circuits to cut manf costs and to ensure the bulb eventually dies and forces you to replace them (IE, buy more).
@@meeponinthbit3466 yeah, i work maintenance and the package may say lasts ten years but never in reality. The diode may last that long but the cheap electronics never will and yes, that's what gets hot.
It wasn't completely useless! On cold nights in Michigan I would turn down the furnace and snuggle up under my comforter and read a book near a warm incandescent light bulb. It was delightful.
Yep, if you still have power and your furnace fails , a 100 watt bulb in a confined (insulated) space can warm it up . Under a comforter, in a "table fort" even sitting in the bottom of a small closet etc. I suppose you could have swapped out the lightbulb under the comforter for an electric blanket which would do about the same thing energy wise but with out the added benefit of reading light..
Even when I used 100W incandescents everywhere I got like 4eur for electricity and 6eur for electricity transmission plus mandatory payment for renewable energy purchase. Bulbs are not the biggest energy consumers, electric heating, electric pumps and taxes are biggest money pits
Most of the world experiences Summer though. At what point is the additional energy used by the cooling system more than the energy saved by the heating system
For those of us in the north, that 'heat' energy was actually part of what kept us warm. The porch light and the crawl space light that we left on in the winter to keep the space a wee bit warmer and the pipes from freezing was important and now requires we run new circuits for powered pipe heating cables to augment the insulation (and usually melts the insulation over time).
They also used to melt the ice off of your car's headlights and taillights. I grew up in the south, but I remember holding my hands near the lamp to heat them up after playing outside that one time a year that it would snow.
All of these new "energy saving" light bulbs, don't last long, either after you put them in. They cost a ton of money as well!! So, after you buy them and install them, it's not long when you are replacing them. So, in the long run, you are saving energy but not money, I would bet!!
@@jamesspalten5977 Uh, nope. You are dead wrong. LED lights last on average 20 times longer, and often go up to 100x. In fact, incandescent light bulbs were standardized by a literal mafia, known as the Phoebus cartel to last shorter than they should, a form of planned obsolescence, so that people would buy more. Today, the average 60W incandescent light bulb lasts 1,000 hours, or about a month and a half of continuous use. Just under half a year if you turn the light off during the day. The average LED bulb with the same amount of visible light lasts over 100,000 hours of continuous use or 12 years, not even accounting for turning it off when not in use. Stop taking your crazy pills. This is all before you factor in that incandescent bulbs require a vacuum or inert gas to function. LED lights do not, and are therefore more resilient.
You can always install heating elements in the place of the old incandescents. You get more light and more heat for less cost. There are even LED lights meant to emit infrared for heat.
@@john_titor1 please tell me what brand and where you are buying LED bulbs that actually last 12 years. I've bought all kinds of LED bulbs and the longest one has lasted was about 2 years. I've had incandescent bulbs last several years longer. Surprisingly the cheap Walmart brand LED bulbs last longer than more expensive ones.
In the summer though, you need more energy to cool that extra heat generated by the lights that yoi don't want. There are other ways to heat without using light bulbs that are also just as efficient.
@real100talk5 light bulbs are not a good application for summer or winter. If you want the heat, you are wasting the energy of the visible light they produce. If you want the light, you are wasting energy in the heat they produce.
In a moderate cold country, like The Netherlands, the warmth of an old-fashioned lightbulb wasn't total waste: it actually helped to warm the house. So now we have more effective lights, but we also have to turn up the heating a bit.
Basically that's true, but the heat-energy produced by the light bulb normally wouldn't be enough to make a big difference. You could also use a heat-pump/AC to heat your house and have 4x the efficiency of a light bulb 🤔
But you paid double to AC the heat out of the house in summer. And a heat pump is again so much more efficient at heating the house (90% vs 400% efficiency considering electricity)
I think I saw an example of this difference with LED traffic signals during winter snowstorms. Snow would build up and block the newer energy-efficient signal lamps, while the old incandescent ones would melt the snow off themselves.
@@commit7059 Exactly! My observation (and being an electronics professional since the 1970s) came before I saw that on _Technology Connection's_ channel.
@@jumpjump-oz2pr They do, actually. There's typically a sun shade sticking out above each lamp to help for better contrast between on and off. But snow tends to blow around and sort of collect into miniature drifts on things, including the lower part of the light housings and around the lenses. I also think the LED lamps were originally retrofitted into the same housings that the incandescent or other technology lamps used; they're gradually redesigning them to work better with LEDs from the start.
That IR sure was handy keeping the inside of a pumphouse above freezing or keeping chickens alive during a brutal winter. The quest for efficiency is a pita in these cases.
Here's a tangent take on the topic: Humans can sense 2 spectrums of light. We use our eyes for the visible spectrum, and our skin can detect the infrared spectrum. Not very precisely, but it can nevertheless.
Hey stranger, you catched my interest into this mini-subject. So here is my question : what would that be the purpose of that "feature" or evolutionary train developed. In short if you'd know.
Its amazing isn't it. We can do more such as tasting the presence of invisible high energy radiation, we can differentiate molecules with differing isotopes, we can even distinguish chiral structures based on taste.
@@alexdefoc6919it's a good question. It's either to encourage us to seek a warmer environment as this lowers the metabolic demands for us to survive, or it is an unintentional consequence of humans developing the sense of feel to help us with other evolutionary demands.
Fun Facts about Diodes (not that anyone asked): • Diodes weren’t originally invented for lighting purposes. • Light Emitting Diodes LED are essentially exploited for ordinary lighting needs in domestic and other settings. • Diodes were initially invented for rectification, the process of converting alternating current (AC) to direct current (DC). (i.e allowing current to flow in one direction while blocking it from flowing in the opposite direction) Other uses of diodes: Signal demodulation: Extracting information from modulated signals, often in radio receivers. Voltage protection: Preventing damage to circuits by blocking reverse voltages. Voltage regulation: Maintaining a constant voltage in circuits, such as in Zener diodes. Switching: Acting as a switch in digital and power electronics applications.
@@lblepus Nope, incandescent bulbs were literally designed for early failure and planned obsolescence, thank the Phoebus cartel. LED lights last WAY way longer than incandescent lights. On the order of 100x longer.
@@davidelliott5843 false, diodes have a voltage drop, that turns into heat. It is an inherent property of diodes, theres no way around it. You don't even have to have a driver, you can just use a bunch of the LEDs in series to stack up enough voltage drop for the mains voltage. They just happen to be more efficient than an glowing filament with Blackbody radiation. Theres already been discovered a way to make incandescent lights more efficient by having a coating on the filament only transparent to visible light. On another note, most people don't know that solar panels are just infrared LEDs run inreverse. Put a voltage in them and they shine, and produce heat from the voltage drop exactly as a restor does, minus some electromagnetic radiation, and the "resistance" is variable depending on how it operates. Sometimes diodes are a suitable replacement for a resitor based on this property of acting like a resistor.
These car companies need to quit putting lighthouses as headlights on these cars. They're nice when you're behind them but when they're shining in your face you're blind.
I used to live in a place with no heat during very cold northern winters. I hated LED light bulbs in the winter because they didn't put off any heat. The old lights helped add a tiny bit of heat to my room. I loved the LED lights in the summer as I didn't have an effective way to cool the place down either. I would switch out the lights depending on the time of year it was. It was not my place and I had no way of fixing all the issues there and finally ended up being able to move after over 7 years of no heat among other serious issues. I couldn't even plug heaters in or I'd blow the power. I could have a heating blanket but that was it.
Fun fact, auto manufacturers have started putting defrost in the headlights of vehicles because of this. Old bulbs would be warm enough to melt the ice, leds cannot.
Headlights defrost will be used only a few hours a year (in a more efficient way than bulbs), old bulbs waste a lot of energy during the whole time they are used. For a thermal engine, wasted energy means wasted gas.
@@psykauze Possibly, but I don't see how replacing old bulbs with LEDs is going to effect gas mileage. There is an energy savings, but it's not enough to effect how much gas is used.
@@ShrockWPS A single H1 bulb is consuming 55W, this power came from the battery and alternator, so from the engine. Even with an engine with an average efficiency of 20%, this means you have to consume 275Wh of gasoline per hour. A liter of gasoline (sorry I am European) is about 10.000kWh, so we need to consume 2,75cl of gasoline for 1h of light for one bulb. A car has an average speed of 37,5km/h during its driving usage, the bulb will consume 7,33cl/100km more. On a car with a mileage of 39,2mpg (US) this single bulb will drop the mileage to 38,73mpg. Where I am, 2,75cl of gasoline costs about 0,05€. With an average lifetime of 500h, the H1 bulb will cost 25€ of gas.
@@psykauze Forgive me if I'm mistaken, but I don't believe that's how it works. Take for instance my personal vehicle. I drive a 2005 Toyota Highlander it was the 3.3 Liter V6 engine. The engine rotates the alternator and the alternator puts out a set amount of electricity. The power the alternator produces doesn't increase or decrease because of the demand of electronics pulling from it. It produces strictly off the engine. So whether I run LEDs, or the Hologens that are currently installed they won't effect the gas mileage because the engine and alternator produces the same amount no matter what.
depends on where you live, actually. In Texas, we privatized electric provision a few decades ago, on the assertion that it would make electricity cheaper. As with anything else, going to a for-profit model actually increased the cost. as anyone sane knew it would.
Because your electric company has raised its rates to compensate for everyone using less power. Duke energy just got passed in the North Carolina legislative body a 16% increase in electrical rates over the next 3 years. Pay attention to what these companies are doing. Because of Citizens United ruling in the Supreme Court, these companies have effectively bought your representatives.
Your question is related to the economics of electric power. 1. We expect the power to always be on. 2. Renewable energy--particularly wind, solar, and hydro can be inconsistent--occasionally zero--occasionally overwhelming. 3. Fossil Fuel electric generation plants are maintained as back-up. 4. At least half of the power bill is devoted to maintaining the power grid which all increases over time as prices and wages and (yes) executive compensation increases with the inflation rates and other market forces. 5. American electrical infrastructure--the electrical grid--is kinda, metaphorically speaking, held together with paper clips and e-tape It's an awkward collection of supplier and transmitters businesses connected through tradition, government regulation and public policy. All it might take is a solar storm, a tree limb, a lightning bolt, a month of cloudy days and no rain, whatever, in the wrong place at the wrong time. In the spirit of science, electricity will always find a path back to its source.
It takes about the same number of people to maintain the equipment and distribution whether you use 1 kilowatt-hour or 100 kWh. So the price per kWh goes up to compensate.
All heat you feel is infrared be it from a fire, electric heaters or incandescentlight bulbs, it's the same. If you want head best to use a heater and if you want light, best to use an LED bulb.
@@johnp139 I'm nocturnal, so always. Besides that, I have a canopy of trees along my southern and western exposure windows and the latest the sun is up here, is 9pm.
Neil, have you ever touched the base on an LED bulb? Yes, they use less energy, but they still waste energy as heat. To all of Neil's fan boys! What Neil said was that they used all their energy to produce visible light. Nothing is 100% efficient was my point. I can explain it to you. I can't understand it for you!
What he said is true or not true depending on how you look at it. LED bulbs do get hot, but it's from electrical current running through the components inside, not because the LED is emitting infrared light.
Incandescent bulbs are great for heating small spaces. A 40 watt bulb turns my stove's oven into the perfect proofing box. There are other heating applications too.
@@SilverEagle85that can’t be true. Producing heat with bulbs is just electrical resistive heating which is basically the most expensive way of heating an area. Even if they used electrical resistive heating the cost would be even, not increased. The math can just never work out that switching to led’s and uppjng the heating to compensate works out more expensive in total. At worst it would be the same
Google is your friend. A simple search shows you an incandescent light bulb can reach 500°. Multiple lights will have an effect on heating/cooling. My sister had an easy bake oven growing up. Are you familiar with how they heat?
@@SilverEagle85 But that is still electric resistive heat. No matter what it is still the most expensive form of heating. So switching to bulbs that don't get hot and turning up the heating to compensate will always be cheaper if the building uses a furnace, boiler, or heat pump. or the same price if the building used resistive heat. There is no way for your total utility bill, Electricity + gas, to go up by switching to LED's. It just is not possible.
You can get 'that band of light' without using light bulbs. Makes more sense if you want heat to use a heater. If you want light to use light that don't also produce so much heat.
I don't understand why people hate this guy. He doesn't sound arrogant, he sounds excited to share science. He seems very approachable, too. He licks his fingers when he eats wings, but I'm not perfect, either.
I think it’s because he gets very passionate when explaining things so he sometimes talks over other people and is loud, but it just comes from his passion. I love Neil, whatever he has to say always fascinates me.
The hate he receives comes from the fact that he often talks about unrelated topics (albeit interesting) when talking to people. I've never met him but to be honest, I probably wouldn't mind.
Some people hate him for the age old reason that he's smarter than they are......same happened to smartasses like Newton and even Einstein. Galileo nearly got burnt to death for being smart....
@@panchopuskas1He also often talks about things he doesn’t know much about and gets them really wrong yet people believe him as he’s an academic. There was a clip I saw this week where he talked about a chemical being banned in Ben and Jerry’s ice cream, his point was completely wrong yet I’m sure many people would listen and believe him.
Correction; LED bulbs do get hot. Touch the base portion that screws into the socket and you will find out. However, it is still true that they do not waste nearly as much energy as incandescent bulbs.
In some areas of the country, electric utilities no longer talk about conserving energy because LED lights have cut the consumption rate so much, that they are selling excess electricity to smaller utility companies.
Yeah I agree with you, but I'm torn. Incandescents are *made* to burn out, it's how they're designed. Over a lifetime I bet one could save tens of thousands of dollars
If you need more warmth, it’s much more efficient to have something specifically designed for creating warmth to do it rather than relying on something that creates it as a byproduct. What about in the summer when it is already too warm? What about during the night when you probably don’t need the lights to be on? LEDs used to give off too cold light but that was 20 years ago.
Or if you want the explanation from an electrician: old lightbulbs use very thin filament of tungsten, encased in a glass bulb filled with inert gases so that the filament doesn’t oxidise and disintegrate. The electricity causes the wire to heat up and glow, a portion of that energy is turned into light. While with led also short for "Light Emitting Diode" are illuminated solely by the movement of electrons in a semiconductor material. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. And for those who paid attention in school know that photons are what we call "light"
Not to say old bulbs are useless. They were a very inexpensive and multipurpose heating element and light source combined for a small space. I used them in my basement to light and keep pipes from freezing in an old 130 year old house. Now I use purpose built heat lamps.
@@mtanyctrainatlantamartatra7164 It, like me is well used and in need of major repairs. LOL. But there are glimpses of it in my Facebook and RUclips Angry Old Man Running.
An old lightbulb heats up the filament until it glows. An LED has two or more different materials next to each other, where one has extra electrons and the other one has somewhat far away gaps for the extra electrons, so that when the extra electrons jump, they release a specific amount of energy, which is released in the form of a specific colour photon (light). At least that's what I remember, I might be entirely wrong.
No you don't. I've got my roses and tomatoes in a grow tent with just LED lights. You're good without them unless you just need the old bulbs for heat. Light is light, and plants use simple light for photosynthesis
@@kellydavis6316y know u can just buy IR red heating leds/lamps they exist they re also used for containers of exotic animals that need more heat than the places you put them in, like iguanas or some snakes
Very true but one little detail missing here is that LED bulbs do generate heat via the module which is absorbed by its heat sink (the metal frame before the globe) and then the heat dissipates. That’s why when you touch the globe of the bulb it isn’t hot, but if you touched the heat sink just below the globe while unscrewing the bulb immediately after turning off the light, you’ll scorch your hand.
And the cheaper the bulb, the inferior the heatsink, the hotter the surface, and the shorter the lifespan. I have older LED bulbs with a chunky heatsink illuminated 24/7 for 3 years now. Heat sink barely gets warm.
I like to imagine a guy was lost in the park while taking a stroll and when he asked for directions Neil DeGrasse Tyson started saying this to him out of context.
Indeed, they fail when there's insufficient cooling, but they don't produce as much heat as incadecent bulbs did... LEDs get hot for the same reason as microchips get hot for iirc.
@Mihkel Kukk I know they don't produce as much heat as incandescent bulbs. I've a child of the 80s and had many a burned hand touching a 100W bulb even when it had been turned off for 5mins.
They do not get anywhere as hot as incandescent. If yours are burning out rapidly perhaps you may not be using the correct type LED bulb or cheap ones. Pay attention to the fine print as it says things like " for damp locations, for totally enclosed fixtures" . Makes a difference! There is also one labeled multipurpose. Hope that helps you have a better experience and longer life from your LED bulbs!!😊
I remember growing up in the 80's, there were 100W lightbulbs in every room of the house. As kids, we'd used to leave lights on all day and night without a care in the world; however, as an adult with their own home and family, I totally understand and sympathise with my poor parents at why they used to constantly yell at us for leaving lights on...
All those old bulbs used to keep my house warm, now I have to turn up the heat pump. They also thawed out any frozen pipes and kept the bathroom warm during usage.
The heat pump can provide all the heat that the old light bulbs did - and use only about 1/2 or 1/3rd the energy they did doing it. Typically, the heat pump is also heating air directly in the home, while some bulbs mounted in the ceiling end up heat the attic or other unused spaces more than the home, so that's another gain for the heat pump.
To be fair, modern LEDs don't convert *all* energy to visible light, they only convert around 40-50%. But that's still an 8 to 10-fold increase over incandescent lights. So 6-10 watts is roughly the equivalent to the 60 to 100 watt bulbs.
You may want to consider the older incandescent bulbs over LED for headlights in the northern states. Incandescents will melt the ice and snow that can accumulate on your headlights during winter storms.
True , but you do have to figure in the cost of inflation over the years somewhat., but it is interesting to find an old energy tag on a fridge in a garage sale and look at what the average KW cost was when that unit was manufactured. 5 , 8 cents etc.
and are made from recyclable components, aren't plastic and chinese made circuits and diodes, aren't terrible to dispose of or manufacture or use, but ya know, "green energy".
DR Neil DeGrasse Tyson! Such a fun, energetic teacher!!! His enthusiasm and excitement in communicating can take the most boring thing you could think of, but he could make it so fun and interesting to learn how it works. Always thoroughly enjoy listening to his lectures. Thank you, DR Tyson. Upmost respect to you Sir!
I had a first generation EZ Bake Oven when I was a little girl in the 1960s. It used an incandescent light bulb to heat the oven and bake little cakes and brownies.
@@user-gf8bj4dq9pheadlight heaters like stop lights have? Or go full Volvo and just give the headlights little wipers and wiper fluid squirters. My point is it's an easy solution to a problem most people don't have to deal with. I just clean of my headlights when I get in my car. Oh it's icy? A spray bottle with iso or wiper fluid works great.
I concur. I'm in Canada, I live in an older home, and keeping my bedside lamp and a floor lamp on in my bedroom is the difference between comfortable and cold. Sometimes inefficiencies can have unforseen value!
I’m an electrician and have been in the trade for over 25 years now. I’ve seen the transition from incandescent to compact fluorescent to led. The compact fluorescent used less than the incandescent and the led uses less than the compact fluorescent. The actual led doesn’t get hot but the “driver” that powers it does get hot. I always pictured a type of self sustaining powered lighting as the next generation. Something like nuclear powered lighting. They already have certain things that are self contained nuclear powered lighting. They have exit lighting that is nuclear powered. You take it out of the box and literally shake it up and it stays on for over 25 years ! The problem is there is no on off switching for this yet. If they could make it to where every home hard a small nuclear reactor to power it then we wouldn’t need to burn so many fossil fuels. I would assume it has something to do with safety and making it “fool proof”. But yeah led uses 90 % less energy for the same lumen output as incandescent lighting.
In the winter the efficiency of any electical device in the house becomes 100%, because the generated heat is put to use. It is the simplest form of cogeneration.
Nice! That's a great way to look at it. "Efficiency" is a matter of context. Only small exception (to 100% in the winter) might be for any kind of light bulbs left on at night when you want to sleep. Then they are only 90% efficient at their required purpose (creating heat vs creating light). 😊
@@cobra-he9xj Thanks, The 10% of energy converted into light will eventually hit a wall or curtain and convert its energy into heat. Anything that may be reflected and therefore is not fully converted into heat will eventually hit something else where it will be fully or partially converted into heat. As long as the light cannot escape the room through, for example, a window that is not covered by a curtain, the light will eventually be completely converted into heat. Because remember, no energy is lost; Everything eventually decays into the lowest form of energy and that is heat.
My mother in law use to say this too. But I always thought that that heat is mostly at the ceiling and not where I want it. And I expect heat is lost from the ceiling somewhat, it's not all reflected down. Certainly on the top floor of the house.
@@ruslbicycle6006 The warm air will float on top of the cold air and be pressed against the ceiling, if there were not a certain air flow that is mainly fed by the radiators located near the window. the air rises there and flows down through the ceiling and through the other wall. You can help this circulation a little by pointing a fan upwards. Ultimately, you can't keep the heat in your house; no matter how well you insulate it, a certain amount of heat will always radiate outside. This essentially turns your house into a heater, that has a power equal to the power you need to keep your house at the right temperature. So all those people who say:"Close the door, because I don't burn for the outside world". Yes, you do burn for the outside world, allways. The only thing is that you are warm and cozy in that big stove that you call a house.
have you worked in a warehouse?? I did for a while and know that you don't have a clue. you may / may not be an electrician but don't know much about physics
That electricity wasted on the light bulbs putting out a minute amount of warmth would be much better used in a far more efficient heating system. Unless you have like a thousand light bulbs pre-packed together it's not going to make more of a difference than a heating unit(s) would
I wish i had someone like this in my childhood growing up, it would've made a positive impact in my life. Now i would like to be one for others if i'm qualified. I'm sure Neil has good day everyday just by doing this :)
You did. The 90s had Bill Nye The Science Guy and Beakman's World, and before that the 80s had Carl Sagan, and before that from the 1950's through the 80s we had Mr. Wizard. Neil is carrying on that grand tradition of education through entertainment.
Back then was Totally Different, the access to those ppl was limited, they were on TV only & just once a week. What i meant was the real person close to me who i can communicate back & forth such as teacher in the class. Tho im not complaining bcoz i believe very few ppl had that, i just Wish lol
If you think about it; we need to heat are homes and any thermal energy emitted by incandescent light bulbs will slightly offset the required energy to heat a living space buy conventional means. So in the winter time incandescent light bulbs don't technically waste energy.
The efficiency of a bulb at providing a unit of heat, is still much less than a proper furnace per unit, especially a heat pump that gathers existing heat. It’s also heating your ceiling mostly if that’s where the bulb is.
He’s partly right. LEDs are only about 70-80% efficient. The rest is lost as heat, partly in the LEDs themselves, partly in the drivers. And yeah, can’t beat incandescents where you need a little heat. They are as efficient as these new heat bulbs, and in more available wattages.
Only because of his voice. Oneday he will make a short of "ever wondered why 2 + 2 = 4" and still every1 will listen to him as if he has made some revelation!
The old light bulbs saved a lot of boat moters on the great lakes just before hauling out for the winter. We use them to place a light bulb in the engine compartment to keep the cold from freazing the moter before it got a properly winterized out of the water. Now we are looking for old standard light bulbs for that little bit insurance in the fall.
Could you imagine hiking through the forest and randomly stumbling upon Neil nonchalantly recording a video
No
@@ryannorthrup-mz2pi*Gigachad*
Lol waking up to him during camping
One of the rarest of all spawns. 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001% spawn rate.
I wish 🙏
Neil realized he didn’t have to wait for interviewers to ask him questions, he could just start recording and nobody can possibly interrupt him ever again
😅
😅😅😅 Best Coment ever!!!
he is a bit annoying 😂 but he is a decent guy so we put up with it. let him rant into the void, many will listen, some will even learn something 😅
Dude loves the sound of his own voice so much he’s recording it to listen to later
😅😅😅
Plus the old light bulbs were quite valued for their heat output by people--and chickens--in cold environments. So the long wave IR wasn't always useless.
we are only just scratching the surface of the IR health benefits old bulbs had. LEDs while more efficient emit high frequency EMFs. They are better than CFLs but... two steps forward, one back.
True, but it added heat in a hot environment as well, which was often not desired...
Suck hard in summer !
A plain heater is more efficient and durable... chickens also don't like not to be able to sleep longer than 20 minutes. Get dark, IR bulb, and chicks sleep at night instead of suffering "passing-out naps".
Though it wouldn't be ethical, research could be done to discover the long term potential harm of using microwaves to heat the humans in a home. Very inexpensive. Perhaps a video could be done on this soon. It's an old idea that couldn't be tried, perhaps experiment in a zoo, a prison, or a totalitarian regime?
As a truck driver, I noticed that modern LED tail light bulbs don't melt snow.
Yeah, inferior.
Which can be a problem for traffic lights. They fill up with snow to the point you can't see which light is lite?
@@edtrine8692 Technology Connections already covered this problem. Just install heaters on the LED traffic lights that turn on when the light is covered in snow. Sure, it'll use more power than incandescent bulbs when it snows, but you then save 90% of power usage when it doesn't snow which is most of the time.
They have their place in the home for sure. But on vehicles, I agree that light bulbs that don't heat up the headlight housings much are inferior. Especially considering it doesn't change your fuel bill, unlike how light bulbs can change your household electric bill. I'd just rather have snow melt capabilities in the cars.
😂😂😂😂
Using so much less energy than in 1998 and still paying more per month for electricity.
Fact
Thanks hillary!
Exactly! Welcome to the future!
But you still use your television your internet router which is always on You charge your phone maybe twice a day You play video Games And everything in your kitchen is electronic the coffee maker the refrigerator the toaster 😂😂😂
@@drewwar9344 I was about to say this. Lol. We use more electricity today than we did 25 years ago. I mean we even charge our cars now 😂
Proof that incandescent light bulbs are 100% efficient in winter.
Only in places where it gets too cold in winter
@Brauljo yes. In places where you need light and a little bit of heat allowing you to turn down the heat in the reast of the area.
@@sukhmeetsingh8365 how do you figure?
It sucks cause I’m running out of them for my pump house during the winter. Leds don’t keep it warm
@@sukhmeetsingh8365 Well otherwise they'd likely have the HVAC or a fireplace running, so it's one or the other.
For context, Neil was in the woods by himself talking to a tree.
"well I don't know why he was talking to a tree"
News presenter on David Cameron talking to a tree
Cracks me up to just imagine Neil sitting there and explaining to a tree the basics of a lightbulb function 😂
Or a grizzly
i feel lucky to be that tree
Must be the new wifi trees that have cameras built in 😂
In cold climates, nothing was wasted. 10% light, 90% heating.
Right where you wanted it, your ceiling, and right when you didn’t want it, the warm part of the year.
In cold countries the heat made by the bulbs was not wasted.
Well it's not really enough heat for you to notice unless it's on for many hours or if you touch it. For normal sized bulbs, anyway
@@drabkebabit adds up in the winter when you need artificial lighting and heat the most.
Heck I live in a mild cold climate and we used a perpetually on incandescent bulb to keep our pump house pipes from freezing.
@@priestesslucy3299 It can of course, it's generally not a very efficient heat source tho
@@drabkebabagree, the most efficient way of heating in winter is firing up your early 2010s gaming computer. And in Russia, people live in data centers in the winter
Facts
We use incandescent lights in the pump house and we actually need that infrared to keep the pipes from freezing. The present lack of incandescent bulbs is a pita.
Heat tape is more reliable and more efficient because it lasts longer and puts the heat where needed.
An old light bulb would keep your water pump from freezing.
Fact.... still doing it...
Ain't nobody need a water pump other than the fire brigade.
@@studywithme7677what
@@studywithme7677
I’m sorry but you’re displaying your ignorance for the world to see.
@studywithme7677 There are plenty of people in rural areas who rely on well water for their homes, which, you guessed it, requires a pump.
LED lights for car headlights was the worst idea ever...I'm literally blinded every time I pass a newer car on the road at night.
That's the blue light content. The extra colour makes things look a little clearer at night, but dazzle other people a lot more.
Agreed. It's dangerous.
Well something has to be done about it or Im getting a monster truck 12 ft tall.
@@edwelndiobel1567 Facts I'm with you..😂
they also put 130 watt bulbs in them . . .
"Not that anybody asked" would be a great title for NDT's autobiography.
Omg that's actually a great idea💡🤣
You gotta tell him
It's literally a good idea for anyone who loves sharing knowledge, however trivial 😊
😂 no doubt. I get a kick out of listening to him tho. I wonder how much of it he just guessed and made up
Lmaooo
Until he starts spewing nonsense and transgenderism
I like the old light bulb, easier on the eyes and it puts out warmth.
Also the new light systems can be hacked and used for nefarious purposes.
@@T-REX677 Thats nonsense. Nobody can hack normal LED lights. If you pay extra for a smart light that can be remote controled, i can be hacked.
But then your argument is like buying a car with a trailer and then complain about the trailer.
"Easier on the eyes"? You can get LED in either cool or warm tones... or even selectively switchable.
Incandescent is also an *inefficient* source of heat that isn't wanted or needed all year. In the summer, part of any home AC cooling would be to offset the heat from the incandescent bulbs.
The LED bulbs themselves give light for on average 25 times as long (25,000 hours vs 1,000 for incandescent)
That is 3 years of all day, every day for the LED bulb. So, it can be justified just based on replacement frequency.
It's easily worth the extra upfront cost.
Technology advances... LED are the next step for lighting.
Incandescent 40W bulbs are used in ovens and in older refrigerators to defrost the coils. They are still sold as they can’t be replaced with LED light bulbs.
I burped and smelled the meat I've eaten 🤭
@@myguykaikai9215 , 🤡
@@myguykaikai9215 Yeah remember the coil thingy 🤭 Good old times :)
Thankyou for this. You’re correct. All stoves use that 40watt clear bulb. I use those in the lamps. It has a look that’s very pleasing. Now an LED is great to read book and newspaper by, but most of our reading is done on the computer.
You must be related to Neil.
LED bulbs do also generate some heat, just not nearly as much.
Sometimes some of them do generate enough heat to cause them to die an early death, compared to how long they can live if that heat is properly extracted from the package and dealt with.
It takes forever for them to warm up enough in cold weather. I know what you mean. I would have to turn on a light long before I needed it just to illuminate the area I needed. Yeah, that technology isn’t where it should be yet. It’s like, keep working on it and maybe I’ll see the advantages. Have you found that too?
@@gailcapshaw5772 Are you sure you're not thinking of CFL bulbs? Generally speaking, the cooler the environment, the greater an LED's light output. This quality means that LED lighting actually performs well in cold temperatures. In fact, these lights will turn on instantly in cold temperatures, as the cold does not affect them.
There might be a momentary delay as the power supply stabilizes.
Neil implies that LED bulbs are 100% efficient, but not true. They produce 9-10 times the light output of an incandescent bulb for the same power, but do have some overhead in the conversion from high voltage AC to low voltage DC. The actual LEDs operate on 2-5 VDC, rather than 100VAC or more.
Anything that uses energy produces heat my calculator doesnt get hot sounds like a personal problem
The bear he was talking to was like "That's fascinating Neal. Can you explain to me why humans taste similar to pigs?", and then he proceeded to maul.
Neal
and as he gets mauled to death he still explains why
Lol I read that as he is the one that mauls the bear!
😅😂🤣
😂😂😂
For context, I asked Neil to help change my light bulb
Lmfao XD
He still explaining light related subjects and we are sitting in the dark for a month now. He has the light bulb on his hands. So we have to wait. 2 people have starve to death. The rest of us are thinking about eating them. The smell is awful. But now we now about neutrinos.
And yet, amazingly, my electric bill is 3x higher than the 1990's despite this.
It's your electricity bill, no longer the light bill, as it was called in former times. You just use a lot of non-light appliances.
Even things plugged into outlets that aren't "on" are using electricity. Unplug anything that is not in use. Like phone chargers, and other things that are sitting in an outlet not being used until you need it. And think about anything else electricity wise that may be running most of the day that you can turn off. This has helped me. May help you as well.
Because you are being billed more per kWh than you were in the 90s
Also inflation.
@@Ang_This2shallpassnot true
The heat from incandescent bulbs is not wasted if you live in Minnesota in the winter. In fact in those cases, the incandescent bulb is 100% efficiency… it provides needed light and needed heat.
Nope, not 100% efficient. When filament gets hot, it expands, which uses energy, and the expansion causes sound waves between bulb and filament, which works as an air conditioning unit. Also, when filament heats up, nearby gas particles are heated up and ionised. Also, electrons are ejected from filament by thermionic emission, these electrons can interact with earth's or the sun's magnetic fields and convert the heat energy into kinetic energy. So nope, sadly not 100% efficient.
For context, Neil had a lightbulb moment while camping in the woods
Yea the guys not that bright still catching up with society. Then talks about light bulbs like uts something he himself contributed because he's never actually contributed anything to modern science other than his lobbying
😂😂😂
☠️
:) yeah lol btw I wanna like the comment but don't wish to ruin the 333 likes
Sir this is a Wendy's 😅
...and even with LED bulbs our electric bill keeps going up, up, up!
but dont worry those expensive bulbs that are worse for the environment to produce and dispose of, and aren't any better to use, well they're "saving the world" by all that nasty climate change incandescent bulbs cause, ya know!?
The Amish are the greatest adapters to Solar; but their electrical needs are about Necessity, &use something like 30% ov a ‘Standard Household.’
Blame Capitalism allowed free reign from about 1980 onwards &the need to destroy ‘Socialism’ in whatever form.
live somewhere with cheep power
@@box_of_things Where do birds produce power, nitwit?
Lemme know when you find it
“not that anybody asked.” The punchline to Neal‘s life dialogue 🤣
Ah yes..... Why would we need more knowledge, I wonder......
@@vladimird5280Neil's a physicist. That's his specialty. Yet he runs his mouth as the know it all. If were speaking of physics I would be a fool to ignore. Yet, on social sciences with Neil loves to spout his opinion. It is nothing more than that. Neils opinion. Yet because of his physics background far to many fools take it for fact.
It's fun to listen to his opinion. Just don't always take it for fact.
That's nice and all but who asked?
@mrtesttube1336 Legally? Lol. Ok.
Who asked you?
There are downsides, the light from led bulbs stop natural melitonin prodution so they ruin nightime routines required to get good sleep (bad for those of us with sleep disorders) but they do use much less electricity & are much cheaper to run, the old style lightbulb lasts much longer outside, if you live in a place that the temp can effect its lifespan. We had an old style bulb as our porchlight (three bulbs in ten years) but the led bulb stopped working after a couple months because of the lack of heat it produced.
is the melatonin serious
@@IIIISaiyou can get LEDs with warmer colours which fix the problem and give you all the other benefits
You can buy warm color temperature LED lights. They do a very impressive job of matching incandescent bulbs.
I love the way Neil can explain things without talking down to anybody.
I love it more when he shuts up.
He loves talking down to people that’s actually his favorite thing 😂
@@random_hero_88sure ya do
@@ronj7658 Damn, straight. 😎
He actually didn’t give you the correct info
“Sir, that’ll be $23 for the bulbs”
And that will also be $240 for electricity, this month.
LED bulb payback time is less than 3 years and last wayyyy longer.
What kind of bulbs and where?
In the woods?
@@benkinerk6830 last longer? They break on purpose. They could last forever but the companies want money
Also, they cost 3x more to manufacture, and 10x more to buy. And the do not last long enough to compensate for the added strain on the environment during the manufacture.
Everyone loses apart from the VAT collector and the big corps.
You got right down to it! Used LEDs are hazmat
Now LEDs last 50000 hours
@@anilraghu8687 Where do you buy these magical bulbs? The ones from home Depot and Lowe's last an average of 6 months.
I have them throughout my home and haven't needed to replace a single bulb in almost 5 years. I haven't done the maths on your claim, but I'm more than happy with the new LED bulbs.
The early LED bulbs were quite bad. The technology is improving; higher efficiency, longer life, better drive circuitry - could be more repairable.
Incandescent warmth and ambience will never be matched!!!
LED's do get hot, but only on the bulb base. After it has been on for a while, turn it off for a half hour before unscrewing.
You can unscrew it without waiting for the base to cool off you oblivious buffoon.
The same way you could unscrew an old lightbulb without waiting for the glass to cool off. Just avoid to touching the hot parts directly. For old bulbs use an oven mitt or a towel or any basic pair of gloves. For LEDs just set the bulb down and let it cool down. There's no need to let the base cool off before removing it.
1/2 hour? a few seconds seems to be all they need. There's a 60W equivalent right next to me which has been on for several hours, and its temperature is just a little warm. I can grab it and unscrew it while it is on.
That's the DC power supply making the heat. They use inefficient garbage circuits to cut manf costs and to ensure the bulb eventually dies and forces you to replace them (IE, buy more).
@@meeponinthbit3466 yeah, i work maintenance and the package may say lasts ten years but never in reality. The diode may last that long but the cheap electronics never will and yes, that's what gets hot.
It wasn't completely useless! On cold nights in Michigan I would turn down the furnace and snuggle up under my comforter and read a book near a warm incandescent light bulb. It was delightful.
Yep, if you still have power and your furnace fails , a 100 watt bulb in a confined (insulated) space can warm it up . Under a comforter, in a "table fort" even sitting in the bottom of a small closet etc. I suppose you could have swapped out the lightbulb under the comforter for an electric blanket which would do about the same thing energy wise but with out the added benefit of reading light..
@@markbajek2541 then there is the worry of starting a fire or getting burned touching a hot bulb
@@chrism3784
Which never happened in history lol.
Farmers in India use it to keep their farm chickens warm at night
Paul Wheaton has some words to say on this subject. Extra heat in the summer, no thanks, but in the winter, absolutely not wasted energy.
Cute. Next story my guy...
And yet it hasn't made the slightest bit of difference to my electric bill
No but LED had blue light and that's bad for your eyes also could be linked to headaches, and depression
@@kaitlynnc9539
If only NDT would study.
Even when I used 100W incandescents everywhere I got like 4eur for electricity and 6eur for electricity transmission plus mandatory payment for renewable energy purchase. Bulbs are not the biggest energy consumers, electric heating, electric pumps and taxes are biggest money pits
@@kaitlynnc9539 also related to cataracts and eye damage which they won't tell you on top of the high bills.
@@alexanderwhite8320inflation is going up as well!!
Fun fact.
In cold climates, that energy isn't wasted.
It's electric heat that reduces the amount of energy used in your heating system.
Most of the world experiences Summer though. At what point is the additional energy used by the cooling system more than the energy saved by the heating system
@@sbk2207 theres no such thing as being more than 100% efficient
For those of us in the north, that 'heat' energy was actually part of what kept us warm. The porch light and the crawl space light that we left on in the winter to keep the space a wee bit warmer and the pipes from freezing was important and now requires we run new circuits for powered pipe heating cables to augment the insulation (and usually melts the insulation over time).
They also used to melt the ice off of your car's headlights and taillights. I grew up in the south, but I remember holding my hands near the lamp to heat them up after playing outside that one time a year that it would snow.
All of these new "energy saving" light bulbs, don't last long, either after you put them in. They cost a ton of money as well!! So, after you buy them and install them, it's not long when you are replacing them. So, in the long run, you are saving energy but not money, I would bet!!
@@jamesspalten5977 Uh, nope. You are dead wrong. LED lights last on average 20 times longer, and often go up to 100x. In fact, incandescent light bulbs were standardized by a literal mafia, known as the Phoebus cartel to last shorter than they should, a form of planned obsolescence, so that people would buy more.
Today, the average 60W incandescent light bulb lasts 1,000 hours, or about a month and a half of continuous use. Just under half a year if you turn the light off during the day.
The average LED bulb with the same amount of visible light lasts over 100,000 hours of continuous use or 12 years, not even accounting for turning it off when not in use. Stop taking your crazy pills.
This is all before you factor in that incandescent bulbs require a vacuum or inert gas to function. LED lights do not, and are therefore more resilient.
You can always install heating elements in the place of the old incandescents. You get more light and more heat for less cost. There are even LED lights meant to emit infrared for heat.
@@john_titor1 please tell me what brand and where you are buying LED bulbs that actually last 12 years. I've bought all kinds of LED bulbs and the longest one has lasted was about 2 years. I've had incandescent bulbs last several years longer. Surprisingly the cheap Walmart brand LED bulbs last longer than more expensive ones.
I use old bulbs in the winter. 100% efficiency. It only heats the room im in
That's the next level thinking. 😂
In the summer though, you need more energy to cool that extra heat generated by the lights that yoi don't want. There are other ways to heat without using light bulbs that are also just as efficient.
@@MrT------5743 In the summer there is also more light in the day.
@real100talk5 light bulbs are not a good application for summer or winter.
If you want the heat, you are wasting the energy of the visible light they produce.
If you want the light, you are wasting energy in the heat they produce.
@@MrT------5743 and there are applications wherein light bulb works for both at once.
In a moderate cold country, like The Netherlands, the warmth of an old-fashioned lightbulb wasn't total waste: it actually helped to warm the house. So now we have more effective lights, but we also have to turn up the heating a bit.
Yes indeed as there's no such thing as a free lunch.
Likewise in the mediteranean countries like mine, during the summer, old bulbs had our AC working harder
Basically that's true, but the heat-energy produced by the light bulb normally wouldn't be enough to make a big difference.
You could also use a heat-pump/AC to heat your house and have 4x the efficiency of a light bulb 🤔
I really miss the heat 6"above my head when standing up
Why make heat and light functions inseparable? Better to have them in separate devices so you can control each as needed
The old light bulbs kept me warm in the cold winter !!! A fantastic benefit.
But you paid double to AC the heat out of the house in summer. And a heat pump is again so much more efficient at heating the house (90% vs 400% efficiency considering electricity)
and in tropical countries, we dont need the heat.. just light..
Neal wants to be known as an Einstein. Wasting his useless knowledge in the forest where he cannot find peace from his thoughts.
and LEDs keep me cool in the summer
only for the people in northern hemisphere. For us Indians invention of LED is a blessing
I think I saw an example of this difference with LED traffic signals during winter snowstorms. Snow would build up and block the newer energy-efficient signal lamps, while the old incandescent ones would melt the snow off themselves.
The LED stoplight and the dangers of "but sometimes!"
-Technology connections
@@commit7059 Exactly! My observation (and being an electronics professional since the 1970s) came before I saw that on _Technology Connection's_ channel.
I am not personally in winter country but why don't they build cover
@@jumpjump-oz2pr They do, actually. There's typically a sun shade sticking out above each lamp to help for better contrast between on and off. But snow tends to blow around and sort of collect into miniature drifts on things, including the lower part of the light housings and around the lenses. I also think the LED lamps were originally retrofitted into the same housings that the incandescent or other technology lamps used; they're gradually redesigning them to work better with LEDs from the start.
That IR sure was handy keeping the inside of a pumphouse above freezing or keeping chickens alive during a brutal winter. The quest for efficiency is a pita in these cases.
There is a thing called electric heat. You should try it sometime.
@@MrT------5743😂
@@MrT------5743is the light bulb not electric heat 🤯
I mean it was handy if you didn't want another tool for the job I guess. But you can do the same job for a lot less energy with the right tool
@Stupidguywithguns yes but electric heat doesn't produce light. What do you want, heat or light? Why produce both for either. DuH
Thank you.
That was quite illuminating! 💡 It really was!
Lololol
she blinded me with science!
He says infrared like it's his most hated band of light 😂
For context, Neil was asked to change the lightbulb.
yes, changing lightbulbs is a big problem in forests
How so? LEDs bulbs on a solar source by the cabin in the woods.
Man nobody has made this type of joke before! You're very creative and original! People should give you money and attention!
How many Neils does it take…
“Sir, I was just trying to enjoy my hike.”
Keep hiking then, nobody’s stopping you
@@jkacvbhijfn Ok, but let me continue my hike. 👋
Here's a tangent take on the topic:
Humans can sense 2 spectrums of light. We use our eyes for the visible spectrum, and our skin can detect the infrared spectrum. Not very precisely, but it can nevertheless.
Hey stranger, you catched my interest into this mini-subject. So here is my question : what would that be the purpose of that "feature" or evolutionary train developed. In short if you'd know.
You can feel the presence of an other animals, if big enough/ close enough.
Its amazing isn't it. We can do more such as tasting the presence of invisible high energy radiation, we can differentiate molecules with differing isotopes, we can even distinguish chiral structures based on taste.
@@alexdefoc6919it's a good question. It's either to encourage us to seek a warmer environment as this lowers the metabolic demands for us to survive, or it is an unintentional consequence of humans developing the sense of feel to help us with other evolutionary demands.
I was going to comment the same thing. I can see the heat that my body senses, in my minds eye, when I close my eyes.
Fun Facts about Diodes (not that anyone asked):
• Diodes weren’t originally invented for lighting purposes.
• Light Emitting Diodes LED are essentially exploited for ordinary lighting needs in domestic and other settings.
• Diodes were initially invented for rectification, the process of converting alternating current (AC) to direct current (DC).
(i.e allowing current to flow in one direction while blocking it from flowing in the opposite direction)
Other uses of diodes:
Signal demodulation: Extracting information from modulated signals, often in radio receivers.
Voltage protection: Preventing damage to circuits by blocking reverse voltages.
Voltage regulation: Maintaining a constant voltage in circuits, such as in Zener diodes.
Switching: Acting as a switch in digital and power electronics applications.
Still the light coming out of those old lightbulbs was far more pleasant and cosy.
…and they were a whole lot cheaper and last as long or longer than the current crop of LED bulbs.
Do you even know what makes it that way? You can replicate this with LED. It’s called color temperature.
@@Ogmarcus02 Don't think it's that easy. I've tried really warm leds but it's just not the same.
@@matslarsson5988 Then you are not getting the right ones.
@@lblepus Nope, incandescent bulbs were literally designed for early failure and planned obsolescence, thank the Phoebus cartel. LED lights last WAY way longer than incandescent lights. On the order of 100x longer.
LEDs themselves may not get super hot but the drivers sure do. Hot enough to melt the soldered LED connections.
The LEDs most definitely get hot too.
@@onradioactivewavesexactly, anything that causes resistance in a circuit will create heat as a byproduct
LEDs convert electrons to photons without the intermediary of heating. Drivers get hot when over-driven. Just like any other electronic circuit.
@@davidelliott5843 false, diodes have a voltage drop, that turns into heat. It is an inherent property of diodes, theres no way around it. You don't even have to have a driver, you can just use a bunch of the LEDs in series to stack up enough voltage drop for the mains voltage. They just happen to be more efficient than an glowing filament with Blackbody radiation. Theres already been discovered a way to make incandescent lights more efficient by having a coating on the filament only transparent to visible light. On another note, most people don't know that solar panels are just infrared LEDs run inreverse. Put a voltage in them and they shine, and produce heat from the voltage drop exactly as a restor does, minus some electromagnetic radiation, and the "resistance" is variable depending on how it operates. Sometimes diodes are a suitable replacement for a resitor based on this property of acting like a resistor.
For context: a passing hiker had simply asked Neil if he knew which way to the restrooms.
These car companies need to quit putting lighthouses as headlights on these cars. They're nice when you're behind them but when they're shining in your face you're blind.
yup, driving a compact car at night with SUVS/Trucks all around you sucks
That's the DOT that allows it.
@@northdakotaham1752 oh I know I'm js.
How to identify a dangerous driver… when safety comes second 🙄🙄🙄
Awww what a shame…. Let’s dim them all so then we can have lots of crashes and deaths 🙄 You’re pathetic!!!
Truth! Led light bulbs are awesome.
They get hot so you can use them in your Easy Bake Oven.
Damn I remember eating Easy Bake chocolate cake.
Do they still make ‘em?…
@@normanharris7333 Yup. Bought my daughter one. She never uses it. She, instead, wants to use my real oven lol
😂
...and dog houses.
Bro out here on side missions 😭
Why you crying
@@yourmanzach2307 cause why is nothing he do actually normal 😭 it's like a robot on a mission
But the old bulbs heat your house in the fall and winter. 😅
I used to live in a place with no heat during very cold northern winters. I hated LED light bulbs in the winter because they didn't put off any heat. The old lights helped add a tiny bit of heat to my room. I loved the LED lights in the summer as I didn't have an effective way to cool the place down either. I would switch out the lights depending on the time of year it was. It was not my place and I had no way of fixing all the issues there and finally ended up being able to move after over 7 years of no heat among other serious issues. I couldn't even plug heaters in or I'd blow the power. I could have a heating blanket but that was it.
Thank you for continuing to enlighten us about the improvements to existing inventions/creations...
Fun fact, auto manufacturers have started putting defrost in the headlights of vehicles because of this.
Old bulbs would be warm enough to melt the ice, leds cannot.
Headlights defrost will be used only a few hours a year (in a more efficient way than bulbs), old bulbs waste a lot of energy during the whole time they are used.
For a thermal engine, wasted energy means wasted gas.
@@psykauze
Possibly, but I don't see how replacing old bulbs with LEDs is going to effect gas mileage.
There is an energy savings, but it's not enough to effect how much gas is used.
@@ShrockWPS A single H1 bulb is consuming 55W, this power came from the battery and alternator, so from the engine. Even with an engine with an average efficiency of 20%, this means you have to consume 275Wh of gasoline per hour. A liter of gasoline (sorry I am European) is about 10.000kWh, so we need to consume 2,75cl of gasoline for 1h of light for one bulb.
A car has an average speed of 37,5km/h during its driving usage, the bulb will consume 7,33cl/100km more.
On a car with a mileage of 39,2mpg (US) this single bulb will drop the mileage to 38,73mpg.
Where I am, 2,75cl of gasoline costs about 0,05€. With an average lifetime of 500h, the H1 bulb will cost 25€ of gas.
@@psykauze
Forgive me if I'm mistaken, but I don't believe that's how it works.
Take for instance my personal vehicle. I drive a 2005 Toyota Highlander it was the 3.3 Liter V6 engine.
The engine rotates the alternator and the alternator puts out a set amount of electricity. The power the alternator produces doesn't increase or decrease because of the demand of electronics pulling from it. It produces strictly off the engine.
So whether I run LEDs, or the Hologens that are currently installed they won't effect the gas mileage because the engine and alternator produces the same amount no matter what.
@@ShrockWPSit will keep your battery from going dead so quick if you leave the lights on though.
Now I just need an explanation of why I’m using cheaper lightbulbs, but my electric bill is more expensive.
Exactly! Our family noticed the same. Didn't make any difference. On the contrary, the bulbs are way too expensive.
depends on where you live, actually. In Texas, we privatized electric provision a few decades ago, on the assertion that it would make electricity cheaper. As with anything else, going to a for-profit model actually increased the cost. as anyone sane knew it would.
Because your electric company has raised its rates to compensate for everyone using less power. Duke energy just got passed in the North Carolina legislative body a 16% increase in electrical rates over the next 3 years. Pay attention to what these companies are doing. Because of Citizens United ruling in the Supreme Court, these companies have effectively bought your representatives.
Your question is related to the economics of electric power. 1. We expect the power to always be on. 2. Renewable energy--particularly wind, solar, and hydro can be inconsistent--occasionally zero--occasionally overwhelming. 3. Fossil Fuel electric generation plants are maintained as back-up. 4. At least half of the power bill is devoted to maintaining the power grid which all increases over time as prices and wages and (yes) executive compensation increases with the inflation rates and other market forces. 5. American electrical infrastructure--the electrical grid--is kinda, metaphorically speaking, held together with paper clips and e-tape It's an awkward collection of supplier and transmitters businesses connected through tradition, government regulation and public policy. All it might take is a solar storm, a tree limb, a lightning bolt, a month of cloudy days and no rain, whatever, in the wrong place at the wrong time. In the spirit of science, electricity will always find a path back to its source.
It takes about the same number of people to maintain the equipment and distribution whether you use 1 kilowatt-hour or 100 kWh. So the price per kWh goes up to compensate.
Our bodies evolved to need more than just the visible spectrum.
All heat you feel is infrared be it from a fire, electric heaters or incandescentlight bulbs, it's the same. If you want head best to use a heater and if you want light, best to use an LED bulb.
LEDs are the way to go nowadays. They’re better in pretty much every way. Brighter, longer lifespan, less energy usage, very little excess heat.
For indoors in a cold climate the 90% infrared isn't useless. It helps heating your house.
Not in July
@@rattlecat5968Unless you live in the southern hemisphere
@@BasilMinhas Lol you're right. I apologize for that 👏
@@rattlecat5968How often do you need to use lights in July?
@@johnp139 I'm nocturnal, so always. Besides that, I have a canopy of trees along my southern and western exposure windows and the latest the sun is up here, is 9pm.
Neil, have you ever touched the base on an LED bulb? Yes, they use less energy, but they still waste energy as heat.
To all of Neil's fan boys! What Neil said was that they used all their energy to produce visible light. Nothing is 100% efficient was my point.
I can explain it to you. I can't understand it for you!
Yeah and they get extremely hot to where it can burn you lol
That's because there will always be some heat loss
@@inspectorgadget346yes but that’s not what he said
What he said is true or not true depending on how you look at it. LED bulbs do get hot, but it's from electrical current running through the components inside, not because the LED is emitting infrared light.
The heat they emit is infrared light there guy...that's what infrared light is heat...
Incandescent bulbs are great for heating small spaces. A 40 watt bulb turns my stove's oven into the perfect proofing box. There are other heating applications too.
Many of the commercial buildings(in northern regions) that switched to LEDs had an increase in utility costs because they now needed more heat.
@@SilverEagle85that can’t be true. Producing heat with bulbs is just electrical resistive heating which is basically the most expensive way of heating an area. Even if they used electrical resistive heating the cost would be even, not increased. The math can just never work out that switching to led’s and uppjng the heating to compensate works out more expensive in total. At worst it would be the same
Hmm…no mention the extra cooling costs in the summer when the lights were needlessly heating the place up even more.
Google is your friend.
A simple search shows you an incandescent light bulb can reach 500°.
Multiple lights will have an effect on heating/cooling.
My sister had an easy bake oven growing up. Are you familiar with how they heat?
@@SilverEagle85 But that is still electric resistive heat. No matter what it is still the most expensive form of heating. So switching to bulbs that don't get hot and turning up the heating to compensate will always be cheaper if the building uses a furnace, boiler, or heat pump. or the same price if the building used resistive heat. There is no way for your total utility bill, Electricity + gas, to go up by switching to LED's. It just is not possible.
You're always such a pleasant individual when you speak and address the public Neil...
That band of light IS actually useful.
You can get 'that band of light' without using light bulbs. Makes more sense if you want heat to use a heater. If you want light to use light that don't also produce so much heat.
I don't understand why people hate this guy. He doesn't sound arrogant, he sounds excited to share science.
He seems very approachable, too.
He licks his fingers when he eats wings, but I'm not perfect, either.
I think it’s because he gets very passionate when explaining things so he sometimes talks over other people and is loud, but it just comes from his passion. I love Neil, whatever he has to say always fascinates me.
The hate he receives comes from the fact that he often talks about unrelated topics (albeit interesting) when talking to people. I've never met him but to be honest, I probably wouldn't mind.
wait till you find him talking about " gender is a spectrum"
Some people hate him for the age old reason that he's smarter than they are......same happened to smartasses like Newton and even Einstein. Galileo nearly got burnt to death for being smart....
@@panchopuskas1He also often talks about things he doesn’t know much about and gets them really wrong yet people believe him as he’s an academic.
There was a clip I saw this week where he talked about a chemical being banned in Ben and Jerry’s ice cream, his point was completely wrong yet I’m sure many people would listen and believe him.
Correction; LED bulbs do get hot. Touch the base portion that screws into the socket and you will find out. However, it is still true that they do not waste nearly as much energy as incandescent bulbs.
Sure, simplification
That's an entirely different issue
@@milkinanime7047how is it a different issue? It's still wasting power, just not as much.
@@ankurbhardwaj6184 the heat isn't produced the same it's not excess energy
Nitpicking.
In some areas of the country, electric utilities no longer talk about conserving energy because LED lights have cut the consumption rate so much, that they are selling excess electricity to smaller utility companies.
Better light , added warmth , was cool to see the filament glow.
Leds are great and all but incandescent bulbs are awesome
Yeah I agree with you, but I'm torn. Incandescents are *made* to burn out, it's how they're designed. Over a lifetime I bet one could save tens of thousands of dollars
Lol, nostalgia is dangerous, exhibit A.
@@MorganHillJr looked into LEDs and health?
Pound sand fool
If you need more warmth, it’s much more efficient to have something specifically designed for creating warmth to do it rather than relying on something that creates it as a byproduct. What about in the summer when it is already too warm? What about during the night when you probably don’t need the lights to be on?
LEDs used to give off too cold light but that was 20 years ago.
@@tovekauppi1616 Right, especially when a lot of that heat is in the unnecessary amount of infrared light produced
Or if you want the explanation from an electrician: old lightbulbs use very thin filament of tungsten, encased in a glass bulb filled with inert gases so that the filament doesn’t oxidise and disintegrate. The electricity causes the wire to heat up and glow, a portion of that energy is turned into light.
While with led also short for "Light Emitting Diode" are illuminated solely by the movement of electrons in a semiconductor material. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. And for those who paid attention in school know that photons are what we call "light"
What's your degree, buddy?
@@mokhlislazaziyou don't need a degree to explain that
@uuo9151 no, I needed your answer for something else, I thought I could ask you some questions about studying abroad
I preferred your accurate and meaningful explanation.
More like get it from a Physio-chemist😅, even though it's basic physics
Not to say old bulbs are useless. They were a very inexpensive and multipurpose heating element and light source combined for a small space. I used them in my basement to light and keep pipes from freezing in an old 130 year old house. Now I use purpose built heat lamps.
Yes, use them in high humidity areas to reduce mildew in closet
I think they made an oven using this
Exactly, now I use my heater even more. So....problem was only transferred.
I would love to see a video of your house, I love houses that are over a hundred years old!
@@mtanyctrainatlantamartatra7164 It, like me is well used and in need of major repairs. LOL. But there are glimpses of it in my Facebook and RUclips Angry Old Man Running.
An old lightbulb heats up the filament until it glows.
An LED has two or more different materials next to each other, where one has extra electrons and the other one has somewhat far away gaps for the extra electrons, so that when the extra electrons jump, they release a specific amount of energy, which is released in the form of a specific colour photon (light).
At least that's what I remember, I might be entirely wrong.
I need the old ones for my plants in the winter.
No you don't. I've got my roses and tomatoes in a grow tent with just LED lights. You're good without them unless you just need the old bulbs for heat. Light is light, and plants use simple light for photosynthesis
@@BadgerScrub that's what I meant. For heat.
@@kellydavis6316y know u can just buy IR red heating leds/lamps they exist
they re also used for containers of exotic animals that need more heat than the places you put them in, like iguanas or some snakes
Cant you use geat lamps?
@@vidaro1073 info please
Very true but one little detail missing here is that LED bulbs do generate heat via the module which is absorbed by its heat sink (the metal frame before the globe) and then the heat dissipates. That’s why when you touch the globe of the bulb it isn’t hot, but if you touched the heat sink just below the globe while unscrewing the bulb immediately after turning off the light, you’ll scorch your hand.
And the cheaper the bulb, the inferior the heatsink, the hotter the surface, and the shorter the lifespan. I have older LED bulbs with a chunky heatsink illuminated 24/7 for 3 years now. Heat sink barely gets warm.
Damn right.
Like much of what Neil says, it’s propaganda. He’s a shill
Yes, thank you! I worked with LED lighting for many years and some of those early heatsinks were massive lol.
The wattage he stated is also incorrect.
I don't remember them all but a standard 1600 lumen 100 watt equivalent LED is 13-14 Watts.
i changed my garden lights into old school bulbs big ones for cats.through cold nights those bulbs helps stray cats to get some warm.
that's awesome! my wife and I feed some stray cats around our house so life isn't so hard for them.
Tht is super sweet hard seeing animals without warm shelters...ty
Thank you Doctor Tyson. I love these shorts. They blow my mind.
“Not that anybody asked” is NGT’s entire personality
Don’t watch him if you don’t like it. Doesn’t take an astrophysicist to know that.
@MrManAmong You just sound Vaccinated. Go get a booster.
And he embraced it! 😂
@@TheStickinatoryou sound unvaxxed contract mumps
@@milkinanime7047 I'm guessing you have Monkey 🐒 pox...
I like to imagine a guy was lost in the park while taking a stroll and when he asked for directions Neil DeGrasse Tyson started saying this to him out of context.
Starting with "Not that anybody asked" !
LED bulbs do get hot. The LEDs don't get hot but the circuits that run the bulb get very hot. Its probably what causes them to fail so much.
Indeed, they fail when there's insufficient cooling, but they don't produce as much heat as incadecent bulbs did... LEDs get hot for the same reason as microchips get hot for iirc.
While incadecent bulb got hot cuz they were basically on fire.
@Mihkel Kukk I know they don't produce as much heat as incandescent bulbs. I've a child of the 80s and had many a burned hand touching a 100W bulb even when it had been turned off for 5mins.
@@StRoRo sorry but you must have been a dumb kid to keep touching hot bulbs on or off ...bit slow to learn by bad experience 😂
They do not get anywhere as hot as incandescent. If yours are burning out rapidly perhaps you may not be using the correct type LED bulb or cheap ones. Pay attention to the fine print as it says things like " for damp locations, for totally enclosed fixtures" . Makes a difference! There is also one labeled multipurpose.
Hope that helps you have a better experience and longer life from your LED bulbs!!😊
I could spend 90% of my life listening to and chilling with Neil
I remember growing up in the 80's, there were 100W lightbulbs in every room of the house. As kids, we'd used to leave lights on all day and night without a care in the world; however, as an adult with their own home and family, I totally understand and sympathise with my poor parents at why they used to constantly yell at us for leaving lights on...
Funny enough now you can leave on most lights and it takes as much as a single bulb back then
My dad always said TURN OFF THOSE BURNING LAMPS
Well but we did not have the a/c on the whole day
For context he was asked what his favourite musical band is
ACDC
All those old bulbs used to keep my house warm, now I have to turn up the heat pump. They also thawed out any frozen pipes and kept the bathroom warm during usage.
The heat pump can provide all the heat that the old light bulbs did - and use only about 1/2 or 1/3rd the energy they did doing it.
Typically, the heat pump is also heating air directly in the home, while some bulbs mounted in the ceiling end up heat the attic or other unused spaces more than the home, so that's another gain for the heat pump.
And during the summer months? When you don't need that additional heat?
Heat pump? Wasn't that your mom's nickname in college?
Heat pumps don't get hot enough. I still wear a sweatshirt inside.
@@Cynthia_Cantrell
You mean lukewarm pump.
@@Cynthia_Cantrell
To be fair, modern LEDs don't convert *all* energy to visible light, they only convert around 40-50%.
But that's still an 8 to 10-fold increase over incandescent lights. So 6-10 watts is roughly the equivalent to the 60 to 100 watt bulbs.
Welcome to electricity rates raised by 90% to make up for it.
By consuming 90% less and paying 90% more you save a lot of money
You may want to consider the older incandescent bulbs over LED for headlights in the northern states. Incandescents will melt the ice and snow that can accumulate on your headlights during winter storms.
They had to install heaters in traffic lights to solve this issue of ice buildup.
Pretty cool of the electric companies to only charge us 5x more for 1/10 the energy, the future is great!
Right. We're using significantly less KWh now, and electric bills have gone up
True , but you do have to figure in the cost of inflation over the years somewhat., but it is interesting to find an old energy tag on a fridge in a garage sale and look at what the average KW cost was when that unit was manufactured. 5 , 8 cents etc.
I miss the good old times 😢
Back then, society had both warmth and enlightenment!
90% of the wattage was wasted as heat, but at least the damn things worked.
Pov the bear asked if he had any last words.
Did the bear interrupt
The old lightbulbs kept you warm in winter, no?😂
and are made from recyclable components, aren't plastic and chinese made circuits and diodes, aren't terrible to dispose of or manufacture or use, but ya know, "green energy".
DR Neil DeGrasse Tyson! Such a fun, energetic teacher!!! His enthusiasm and excitement in communicating can take the most boring thing you could think of, but he could make it so fun and interesting to learn how it works. Always thoroughly enjoy listening to his lectures. Thank you, DR Tyson. Upmost respect to you Sir!
Now I know why my home is colder in winter after I switched my lightbulbs to LED.
I had a first generation EZ Bake Oven when I was a little girl in the 1960s. It used an incandescent light bulb to heat the oven and bake little cakes and brownies.
Yes!
to be fair in cold places it's still creating heat and 100% efficient
But they won't melt snow or ice off a head light.
@@user-gf8bj4dq9pheadlight heaters like stop lights have? Or go full Volvo and just give the headlights little wipers and wiper fluid squirters. My point is it's an easy solution to a problem most people don't have to deal with. I just clean of my headlights when I get in my car. Oh it's icy? A spray bottle with iso or wiper fluid works great.
You'll get more heat out of wood.
I concur. I'm in Canada, I live in an older home, and keeping my bedside lamp and a floor lamp on in my bedroom is the difference between comfortable and cold.
Sometimes inefficiencies can have unforseen value!
@user-nk5uc9fy8w inunderstand what your trying to say but thats still more heat.
I’m an electrician and have been in the trade for over 25 years now. I’ve seen the transition from incandescent to compact fluorescent to led. The compact fluorescent used less than the incandescent and the led uses less than the compact fluorescent. The actual led doesn’t get hot but the “driver” that powers it does get hot. I always pictured a type of self sustaining powered lighting as the next generation. Something like nuclear powered lighting. They already have certain things that are self contained nuclear powered lighting. They have exit lighting that is nuclear powered. You take it out of the box and literally shake it up and it stays on for over 25 years ! The problem is there is no on off switching for this yet. If they could make it to where every home hard a small nuclear reactor to power it then we wouldn’t need to burn so many fossil fuels. I would assume it has something to do with safety and making it “fool proof”. But yeah led uses 90 % less energy for the same lumen output as incandescent lighting.
In the winter the efficiency of any electical device in the house becomes 100%, because the generated heat is put to use.
It is the simplest form of cogeneration.
Nice! That's a great way to look at it. "Efficiency" is a matter of context.
Only small exception (to 100% in the winter) might be for any kind of light bulbs left on at night when you want to sleep. Then they are only 90% efficient at their required purpose (creating heat vs creating light). 😊
@@cobra-he9xj
Thanks,
The 10% of energy converted into light will eventually hit a wall or curtain and convert its energy into heat.
Anything that may be reflected and therefore is not fully converted into heat will eventually hit something else where it will be fully or partially converted into heat.
As long as the light cannot escape the room through, for example, a window that is not covered by a curtain, the light will eventually be completely converted into heat.
Because remember, no energy is lost; Everything eventually decays into the lowest form of energy and that is heat.
My mother in law use to say this too. But I always thought that that heat is mostly at the ceiling and not where I want it. And I expect heat is lost from the ceiling somewhat, it's not all reflected down. Certainly on the top floor of the house.
@@ruslbicycle6006 The warm air will float on top of the cold air and be pressed against the ceiling, if there were not a certain air flow that is mainly fed by the radiators located near the window.
the air rises there and flows down through the ceiling and through the other wall. You can help this circulation a little by pointing a fan upwards.
Ultimately, you can't keep the heat in your house; no matter how well you insulate it, a certain amount of heat will always radiate outside.
This essentially turns your house into a heater, that has a power equal to the power you need to keep your house at the right temperature.
So all those people who say:"Close the door, because I don't burn for the outside world".
Yes, you do burn for the outside world, allways.
The only thing is that you are warm and cozy in that big stove that you call a house.
It’s simple alright. Simply inefficient per unit of heat compared to proper heating.
Trust the big brained scientists who’s offering you useful info.
I’m an electrician. High pressure sodiums and even fluorescents keep warehouses warm. Cuts down on the energy bill.
I'm pretty sure you're just trading one kind of heater for another.
have you worked in a warehouse?? I did for a while and know that you don't have a clue. you may / may not be an electrician but don't know much about physics
Doesn't cut down the energy bill at all because electricity is the most costly form of energy. Use some other source of energy and you are better off.
@@HolgerJakobslol touche. I'm going to assume he means electricity bill
That electricity wasted on the light bulbs putting out a minute amount of warmth would be much better used in a far more efficient heating system. Unless you have like a thousand light bulbs pre-packed together it's not going to make more of a difference than a heating unit(s) would
I wish i had someone like this in my childhood growing up, it would've made a positive impact in my life.
Now i would like to be one for others if i'm qualified.
I'm sure Neil has good day everyday just by doing this :)
You did. The 90s had Bill Nye The Science Guy and Beakman's World, and before that the 80s had Carl Sagan, and before that from the 1950's through the 80s we had Mr. Wizard. Neil is carrying on that grand tradition of education through entertainment.
I had "Watch Mr Wizard".
Back then was Totally Different, the access to those ppl was limited, they were on TV only & just once a week.
What i meant was the real person close to me who i can communicate back & forth such as teacher in the class. Tho im not complaining bcoz i believe very few ppl had that, i just Wish lol
@@edwardreyes2419im sorry but Sagan had the charisma of a toad and made science less inviting
If you think about it; we need to heat are homes and any thermal energy emitted by incandescent light bulbs will slightly offset the required energy to heat a living space buy conventional means. So in the winter time incandescent light bulbs don't technically waste energy.
The efficiency of a bulb at providing a unit of heat, is still much less than a proper furnace per unit, especially a heat pump that gathers existing heat. It’s also heating your ceiling mostly if that’s where the bulb is.
But that "useless" infrared light was helping in the winter to fight depression from low sun light.
I can’t find a better way to keep the chickens warm and to increase dragonfruits’ amount of product better than light bulb, at least where i live.
Thank goodness sunlamps are a thing.
I'm pretty sure 'they' want us to be depressed. 😢
Led light disrupts my sleep cycles
He’s partly right. LEDs are only about 70-80% efficient. The rest is lost as heat, partly in the LEDs themselves, partly in the drivers.
And yeah, can’t beat incandescents where you need a little heat. They are as efficient as these new heat bulbs, and in more available wattages.
Neil makes any subject of discussion interesting.
Honestly
Makes any subject about Neil.
And then shills Big Farrrrma
Only because of his voice. Oneday he will make a short of "ever wondered why 2 + 2 = 4" and still every1 will listen to him as if he has made some revelation!
@@quacknostrum Exactly. Damn modern day Pied Piper.
The old light bulbs saved a lot of boat moters on the great lakes just before hauling out for the winter.
We use them to place a light bulb in the engine compartment to keep the cold from freazing the moter before it got a properly winterized out of the water.
Now we are looking for old standard light bulbs for that little bit insurance in the fall.
Not completely useless. In winter, it actually helps heating your home/room. In that regard, it is almost 100% energy efficient