Indeed! Or even imagine IF the earth WERE an oblate pear shaped spheroid "planet" surrounded by a practically infinite, dark, "vacuum"!... But wait! You might even still believe that! I know I did - but then I woke up!
It’s a perfect example of how “the bends” works with divers. Going from a deep depth to the surface (removing pressure), has the exact same effect on the nitrogen in your blood. It also demonstrates why putting someone in a pressure chamber (restoring pressure), dissolves the nitrogen bubbles back into your blood.
And that is exactly what can happen to scuba divers if they surface after diving to depths beyond 30 feet without proper decompression. They call it "divers bends". Excellent video, well done.
I think you should de-gas the water beforehand and repeat the experiment. Boil and cool a couple times, and maybe do a final de-gassing in the vacuum chamber so you can get the last bit out without heating the water, before adding it to the balloon. That should help distinguish how much of the gas formation was dissolved air, and how much of it was from nucleate boiling.
Topophobia is the fear of certain places or situations. The origin of the word topo is Greek (meaning place) and phobia is Greek (meaning fear). Topophobia is considered to be a social phobia, which is discussed on the home page. Topophobia is a for of Agoraphobia, which is also discussed on the home page. did you mean Trypophobia?
Alternatively, if you want water without the gas, use water that has been boiled in the vacuum chamber, and if you want the gas without the water, collect the gas out of the bubble in the balloon (or preferably the bubble in something larger and more robust so that you can get more of it), put it on dry ice to freeze out the water, and then analyze the gas.
oddBallBlake: exactly, your are 100% right, but the delta, the differences between the temperature at first and during the boiling state are so tiny, to see a noticeable change in temperature you need to keep the experiment gooing for a longer time and make sure that no heat for the room interfere with the experiement. Yes i am wrong saing that temperature doesnt change but the goal of this experiment is to make water boiling at ambiant temperature without changing the initial temperature but only pressure. Every time water (or mater in general) change state, it loses or gains heat. HPA (Hydraulic Press Action) should have taken out every air bubble of theses water ballons, becose the expension and exposion of the water ballons, we see can be the result of the expansion of the air due to the presure droop. (english isnt my first language (not even my second ) so excuse me if i sound unclear)
Well, it would be more interesting if you put liquid or gaseous ice in the vacuum. Now back to your question. I think it might sublimate, like dry ice does. Cool experiment.
+Hydraulic Press Action Hey man. So I think you should have tried this with hot water as well! The reason is that one, there would be far less dissolved air, but more so, the vapor pressure of the water would be much higher. It would have been interesting to see if the pressure could expand the balloons more, and maybe even burst them. Also, someone in the comments mentioned a cool idea of putting a helium balloon in the vacuum chamber. We would see the helium float and then, if your vacuum pump is strong enough, maybe even see the balloon sink as the helium becomes denser than the surrounding air that's left! You could even attach it to a scale to measure the drop off in buoyancy
+Hydraulic Press Action Someone also mentioned one of those mylar balloons only partially inflated. The mylar balloons have a limit to how far they can inflate, so they should work
Dang Jos...good idea, also, I don't think the water would actually need to be hot, it could be water that WAS boiled, then cooled first...maybe we'll learn something from this. When you buy a bag of ice, those ice cubes are CLEAR! When you make ice in trays at home, the ice is not clear. Heating, or boiling water releases the gases we see in ice cubes.
soundspartan of the basket You're right. There are other ways to remove the air from water. At a college I used to attend, they made a 10 meter tall water barometer. Of course, dissolved air can ruin the readings, so the water looks blue due to *copper sulfate* that was added to remove it. The reason I didn't mention this is because I don't know how to fill a balloon without a water faucet. So I thought that turning the water to hot was his best bet
Make a bigger version of a magnetic fish tank scrubber to clean the vacuum chamber walls while you're using it. It's a magnetic scrubber placed inside that follows a magnetic handle that you move around outside
Intresting! I did expect the baloon to hold the water from boiling as the vapor pressure of water at room temperature is quite low, but not that those small air bubbles in the first ones would expand enough to make them pop...
No, that requires heat. and the egg would explode when the vacuum is great enough, because there is some pressure inside the egg protected by the shell.
Hard boiling an egg comes from the denaturation of the albumin protein present in the shell of an egg. And for denaturation you need certain temperature. We use boiling water for doing that because it transfers the heat more efficiently and effectively. So there we are doing the work of temperature and not playing with the pressure. Hope you got my point
I would be interesting to boil the water at atmospheric pressure first to liberate the dissolved gases then cool the water in a sealed container before filling the balloon.
+gribbo9999. Or use the vacuum chamber to first "boil" the water in an open container. and then use that water to fill the balloon. that way you don't have to wait for the water to cool.
The bubble that formed quickly at the beginning and remained after the pressure was normalized was the dissolved gasses. Most of the big bubble that formed while boiling was water vapor. When the pressure was restored, all the water vapor condensed back into liquid water and a small bubble of the extracted gasses remained.
So fun question... What if you remove that air bubble and repeat the process. Would get a more pure H2O? Assuming it would still have minerals and other things dissolved in it. But less foreign gases, right?
Actually it's probably a little cooler. The boiling means the hottest molecules of water are escaping, leaving the cooler ones behind, thus lowering the temperature of the water.
Fan-bloody-tastic. this is just what I have been looking for, and you have done it for me. A few suggestions, could you have a pressure gauge visible all the time for reference. And I remember working in a lab years ago and we had to de-air the water first before using it in vacuum things., so take a litre of water and put in an open top bottle and then put it in the vacuum for a while, bring it down to almost boiling for 10 minutes or so. Then use a syringe to fill your water bombs with no air and de-aired water, see how that goes. Cheers.
That... actually sounds interesting. Although the water will start boiling when the pressure is gone, it will not change it's pressure as long as it's in a liquid state since liquids can neither expand or be compressed. So theoretically, the water could actually protect his hand from the rigors of vacuum and possibly prevent the discomfort, pain and swelling he experienced when he first put his hand in vacuum. We need you to test this theory, man!
+Mário Ďuráč actually it wouldn't matter if my hand was in the water or not, watch my video of a balloon under water in a vacuum and you will see it acts the same whether it is in the water or not. ruclips.net/video/aTDsB4uPmQc/видео.html
+Hydraulic Press Action yes but that was a balloon not human skin, balloon is made out of rubber and is very fine. Human skin is thick and made from different properties which may be not be effected. Would be cool if you tried it
man your videos are amazing love your work....but i have a suggestion, you should delete the noise of vaccum chamber and give your voice over only.... it would be great..!!
I don`t know if the gas dissolve back into the water or if it get compressed by the atmosphere. If you repeat the experiment you will be able to see if some bubbles form again or if the single bubble just expend. Also releasing the pressure back more slowly could help a little for the bubble to be intact.
So gases should dissolve much more under sea level , more you go down more they dissolve , so if we inject CO2 to the ocean floor it will dissolve dramatically and change the PH significantly.
Oh for goodness sake. Please get yourself a less wimpy vacuum pump, preferably a two-stage rotary vane, possibly even oil sealed. You want something tht gets down into the low mbar range (1-5) rqther than this one which struggles to get approx. 100 mbar A. You can then have all sorts of fun seening water boil (dependent on the temperature of the water) and then freeze at 6 mbar A/ Please also get a good absolute pressure gauge and ditch the "vacuum" gauge.
On earth, all the air pressure pushes bodies of water at room temperature into the liquid state. The less pressure there is, the less heat is needed. So when you remove pressure, room temperature is eventually enough to make it start to boil. You can also do it other way around, increase the pressure and then the water wouldn't start boiling until very high temperatures.
Daily Squid...that's correct. Temperature is not the determining factor. Read darkkenia's comment. Also, that's why cooking times vary at different altitudes. Also, look into a condition known as "the bends" for deep sea divers, miners, and fighter pilots. It's a deadly condition if not treated properly.
no because the water you can actually boil at room temperature ......two things are involved with this .....pressure and temperature ..... the higher the atmospheric pressure the higher you will need to raise the temperature .....and vice versa ....so by removing the atmospheric pressure you can boil water at room temperature ..... however due to this low pressure and low temperature it will be hard to cook foods .....an example of this in real life is the top of Mount Everest ....due to low pressure towards top it will be harder to cook food properly .....hope it was easy enough to understand
I am not so sure. It is not the heat that 'cooks' ramen, but the steam that hydrates the ramen. However, the heat does alter the starches so the noodles stay together. Without heat, the starches will not convert, so the noodles will fall apart.
great experiment, i believe the water didnt boil at the end because the pressures of the undissolved gasses remained high enough to prevent H2) partial pressure to reach boiling levels. try doing this experiment with much less water in the balloon (decreases the balloons elastic restriction, removed the dissolved gasses from the water (maybe a heat resistant balloon?) remember the goal is to allow it to boil so we should remove the restrictions that prevent it
I would like to see a dead animal like a rat in a vacuum to see what happens( like the dead rats u buy to feed snakes). Only for educational viewing. Not to be gross or anything. Also a broken LCD Screen would be nice to see. A Subwoofer also not to see if it would make noise but to see if it will still move under vacuum. Also igniting a Firecracker while its under full vacuum. I'm copy pasting my comments on all his new video untill he does it. Why didn't u put water it in a Air Tight Jar and see what happens? U could submerge the Jar and lid under water so its 100% air free. Then U could put a silicon sealer around the jar to make sure the seal does hold and then we could see if water boils. What Happens if U put a distilled water battery from a car under vacuum? What does happen with the battery volt when the battery is under vacuum? What about a red hot metal under vacuum? What would the metal do? What about liquid metal under vacuum? Is there someway to heat up a metal so hot under vacuum that it would , melt and stay in a liquid state then u keep doing a purging setting as in vacuum then release let cool off then repeat. Would it make a cool design? or would it stay flat due to it being melted?
We are 60% water. Why aren't the astronauts, doing spacewalks not boiling to death? Astronauts are in probably the most hostile situation for anything up to 8 hours, and their bodily fluids have not boiled away? Why don't astronauts do their training in giant vacuum chambers?
+Canary Brain Studios Use common sense. Pressurised to withstand the huge pulling force of a vacuum in space? And why don't these astronauts practice spacewalks in giant vacuum chambers? The last person who tried passed out, when revived, he spoke of the saliva on his boiling.
+Canary Brain Studios The so called astronauts do not do any training in vacuum chambers. They trial out their suits like giunie pigs in "space" or on the moon. Think about what you are claiming to believe.
+truthbetold - By this logic, you would think it impossible to create a pressure suit that can survive the extreme forces of deep-sea diving, but alas pressure suits like this have existed for decades. Submergible suits have to withstand the pressure of many atmospheres while at various depths, whereas spacesuits only have to withstand the pressure of 1 atmosphere. I am assuming you don't deny the fuctionality of pressurized diving suits, so why do you doubt that spacesuits can work just as, if not, even more effectively?
+Red - Yes, scuba divers don't train in vacuum chambers because a vacuum chamber doesn't provide any realistic environment for where they will end up working. Astronauts on the other hand train in pools because utilizing neutral buoyancy creates a similar environment to the perceived weightlessness during a spacewalk whilst in orbit. Though not perfect, training in a pool is as close to that environment as we can replicate on earth for extended periods of time. Railway cars can be depressurized enough to cause them to implode, but that has to do with the amount of air that is pumped out of them. The force due to pressure is proportional to the amount of air that is pumped out. Spacesuits have hardly any air in them by comparison, so the strength of the material they are made out of doesn't have to be as strong as a steel tank car to keep the air inside under one atmosphere. The case study you are referring to with Jim LeBlanc back in the 60s is an example of what happens when a space suit is breached under a vacuum. Before his air hose was disconnected, the suit was operating just fine in the chamber. When it came loose, Jim started to experience the symptoms you described. It's total as you'd expect. There are many more studies and tests performed where spacesuits perform as designed within a vacuum chamber. I invite you to do more research on this topic as opposed to just citing this one, cherry-picked case. Also, I am not sure you are aware, but it is spelled "astronauts." -naut, as a root word, is Greek for "sailor."
For what enjoyment? So you're telling me that you wouldn't be happy killing an annoying fly during the summer? That you won't get satisfied after killing that mosquito? That you'd dine with a fly and won't mind if a fly lands on your food, when they can transmit diseases? Clearly after you watched the video the flies were still alive, nothing was killed in the process and you squirmish people still complain for no absolute reason. Seriously, us people are wasting so much time on the stupidest things in this world, it's just absurd. People need to consider more important things in life, insects/animals will kill us on instinct. Let's pay attention to how some parts of Africa/Asia are poor and how people can work together to make the world better, not complain about "killing flies" ffs.
I can't help but wonder how different types of plants would react in a vacuum chamber. Cactus, evergreens, flowering, etc, since they do vary a bit in their structure and makeup.
All research and knowledge is useful as it keeps an active mind and proves that man has more potential than only using his instincts as most animals do. So do not care too much about the negative comments, what you are showing is good science and knowledge about the invisible behaviour of our natural components under different states. Congratulations.
This is a good example of what goes on inside the coolant system of your vehicle. The sealed system of the radiator, water jacket, water pump, and heater core Prevent the coolant from boiling and evaporating. It will not boil in a sealed system. so if ur vehicle sounds like its boiling after a long trip or excessive driving, ur system could have a leak
Would be nice to see this done with water that has had the dissolved gases removed. You can get such water with a vacuum pump to bring water to a vacuum boil (which should release the dissolved gases first), then store it in an airtight container. You could then try the experiment with balloons filled with different volumes of water. A full balloon might keep the water compressed and not boil (thus not pop), while a balloon only partially filled with water might boil the water, and the water vapour produced might even expand big enough to eventually pop the balloon. I wonder.
So, was the container "hot" after your balloons popped? Also, amazing how fast the disolced gas reabsobed after you increased the pressure back to atmospheric. I thought it wold take afew moments.
+Hydraulic Press Action You should also try to freeze only the top of a tall glass of water. Water's triple point is about 600 Pascals, and you only need about 2 inches of water to create that pressure. So if you had water 5 inches deep, the top can freeze due to low pressure, but the bottom would always be at too high a pressure. Well, admittedly, it could still freeze completely due to heat conduction, but it would still be interesting to see if it *only* boils within the first *2 inches*
It would be neat if you could extract the air bubble which forms under vacuum, then expose the water fresh air at atmospheric pressure, and then put it back in the balloon and vacuum it down again to see if it absorbed any air.
You could spray the inside of your chamber with hydrophobic spray, such as rainX, then record another video - The rain X might take care of the condensation on the inside, beading it up a bit
Someone mentioned using an infrared temperature reader. It would be interesting to know if anything changed temperature. The vapor pressure must have something to do with the 'boiling' of the water, and I wonder if the water would get cooler as the more active molecules left the solution. This 'experiment' seems to create as many questions as it answers.
I actually think what was left over after you released the vacuum was almost all the air that was dissolved in that volume of water. There was water vapor generated inside that balloon, but it was what quickly re-entered the liquid phase.
Oh, so the water boiling puts water vapor into the air and maintains a certain amount of air pressure, keeping the other two balloons from popping. Very cool.
It's impressive how quickly the water vapor returns to the liquid phase as soon as the air is replenished. Is there any change in the water temperature during either of these attempts? Or does it remain the same temperature regardless of the surrounding atmospheric pressure(or lack thereof)?
That was really cool. I'm curious, did you use tap water to fill the balloons? If so, do you think using something like distilled water from a gallon jug would react differently?
That is an awesome video. I have always wondered if it was possible to compress air enough to make water in the chamber buoyant. I don't know how easy it would be to achieve similar density, but the chamber required would be quite expensive. Maybe renting one for an hour would be enough to carry out the experiment. BUT WHERE?!
You should try putting gallium or some other material that melts near room temperature like chocolate, wax, or butter and see if it melts in the vacuum and has a phase change, and maybe try mercury as well?
In the second experiment the balloon had no air bubbles at all. When you sucked the air out of the chamber, some dissolved gas came out of the water, but most of the gas is actually water vapor. The reason I think that, is that the gases cannot dissolve so quickly when you fill the chamber with air. Otherwise, there would be no gas left at the end of the experiment. Some gases like CO2 can dissolve quickly. You can do another experiment by boiling water in order to remove dissolved gas, seal it in a container and allow it to cool. When you put the balloon back in vacuum, you can isolate this gas and see that it is water.
So you basically made a spacesuit for the water. The rubber replaces the pressure that the air would have created, keeping the water at just high enough pressure to not boil at air temperature.
IDEA FOR THE VIDEO! Check if you can mix water with air using mixer! Then compare tap water with the mixed one in baloons in vacum chamber (does the mixed water will release more air)!
I wonder what would happen if you'd have a setup where you could extract the dissolved gasses when they unsolved(undissolve? idk how you would call it) and then expose the balloon back to normal pressure. My guess is that it wouldn't do anything different until you remove the water (that wouldn't have any dissolved gasses inside it) back to the air.
I think you’re mistaken about the composition of the gas in the balloon when you turn off the vacuum pump. I think that the dissolved air in the water is only the volume after opening the valve at the end. I think that the rest of the volume of gas in the balloon is in fact water vapor, otherwise I don’t think it would have gone back into the liquid so quickly. You can put a little water into a syringe, cap the end, and pull on the plunger to cavitate the water into vapor and the vapor will change back into liquid again as soon as you let go of the plunger.
It doesn't "release the dissolved air from the water", it's the water boiling and turning from a liquid to a gas because the boiling point of water drops the lower the pressure gets.
Awesome ! What about to test a balloon filled with water "without gases" (boiled in an environment at atmospheric pressure)? And in the other hand, two more samples: Tap water (the water I assume you used here), and an agitated water sample.
Vapour pressure of water at 20C is 0,02 bar, that means 2kg of force on 10x10cm part of baloon. Obviously the balloon is strong just enough to withstand that force. Put inside water at 30C and it will almost certainly explode at high vacuum.
so imagine wat would happen with ur blood in space.
not much really, he made a video where he put his blood in a vacuum chamber
It will boil..
Death
Indeed! Or even imagine IF the earth WERE an oblate pear shaped spheroid "planet" surrounded by a practically infinite, dark, "vacuum"!... But wait! You might even still believe that! I know I did - but then I woke up!
@@danielrobbins3844 okay
It’s a perfect example of how “the bends” works with divers. Going from a deep depth to the surface (removing pressure), has the exact same effect on the nitrogen in your blood. It also demonstrates why putting someone in a pressure chamber (restoring pressure), dissolves the nitrogen bubbles back into your blood.
The vacuum pump: *is loud and annoying*
Subtitles: [Laughter]
[Applause]
[music]
[Booing]
Mine is [applause]
foreign
And that is exactly what can happen to scuba divers if they surface after diving to depths beyond 30 feet without proper decompression.
They call it "divers bends".
Excellent video, well done.
I think you should de-gas the water beforehand and repeat the experiment. Boil and cool a couple times, and maybe do a final de-gassing in the vacuum chamber so you can get the last bit out without heating the water, before adding it to the balloon. That should help distinguish how much of the gas formation was dissolved air, and how much of it was from nucleate boiling.
Have you ever considered adding some sore of grid to the back/base of your chamber so that it would be easier to tell expansion?
Gerrod O'hara that's a good idea
Essentially, you have given the 2nd balloon decompression sickness.
This changes how I think of “boiling”. I never really thought about it before.
I Love it when these channels count down 3, 2, 1..... then wait 5 minutes for the vacuum chamber.
If you boil water long enough in vacuum, it will turn to ice. Try that next time, please.
Cody did it
Mouze who is Cody?
FaQiang Liu If he does it you're in for a surprise.
Alfur Folkesaycke codys lab
FaQiang Liu i have seen it happen, so I know it will.
what if you put balloon with helium? will the balloon fly or what?
Pro Player Lol
+Pro Player I'm trying to figure how to get a balloon that won't expand so I can do this one
Hydraulic Press Action okay, do it for science!
it would be cool if you could get the balloon neutrally buoyant so it would neither float or sink
the balloon will still float as helium gas is lighter than the force of gravity.
chocolate pudding in a vacuum? i admit im CRAVING for something sweet
Carmen Galea let's see him do that
Carmen Galea I have topophobia, so NOPE
Topophobia is the fear of certain places or situations. The origin of the word topo is Greek (meaning place) and phobia is Greek (meaning fear). Topophobia is considered to be a social phobia, which is discussed on the home page. Topophobia is a for of Agoraphobia, which is also discussed on the home page.
did you mean Trypophobia?
Carmen Galea my sentiments exactly
Cypaira 900 interesting, but how about testing to see if rocket fuel can ignite in a vacuum
Your experiments are very creative!! Thank you for sharing them!
This is subpar. You should distill the water to further investigate the content of the gas.
Alternatively, if you want water without the gas, use water that has been boiled in the vacuum chamber, and if you want the gas without the water, collect the gas out of the bubble in the balloon (or preferably the bubble in something larger and more robust so that you can get more of it), put it on dry ice to freeze out the water, and then analyze the gas.
can you do some tests with a thermal camera?
Alex Faulkner interesting
Luciano Moreira nyes
there is nothing to see with a thermal camera, since temperature doesnt change only pressure
1NemesiSs actually, the water will get colder because it is forced to loose heat energy when it boils under the pressure. Sorry, I'm an asshole
oddBallBlake: exactly, your are 100% right, but the delta, the differences between the temperature at first and during the boiling state are so tiny, to see a noticeable change in temperature you need to keep the experiment gooing for a longer time and make sure that no heat for the room interfere with the experiement.
Yes i am wrong saing that temperature doesnt change but the goal of this experiment is to make water boiling at ambiant temperature without changing the initial temperature but only pressure.
Every time water (or mater in general) change state, it loses or gains heat.
HPA (Hydraulic Press Action) should have taken out every air bubble of theses water ballons, becose the expension and exposion of the water ballons, we see can be the result of the expansion of the air due to the presure droop.
(english isnt my first language (not even my second ) so excuse me if i sound unclear)
And this is why science is the best method for knowing anything.
What if you put solid ice in vacuum? The cooler the better.
San dro put this comment on top!
Well, it would be more interesting if you put liquid or gaseous ice in the vacuum.
Now back to your question. I think it might sublimate, like dry ice does. Cool experiment.
that's the question about sublimation of gases from solid material bypassing liquid stage
San dro you wonder what would happen with meth in a vacuum?
This experiment is a good way to demonstrate how a space suit can keep an astronaut alive and how it can fail.
No. If there's no air pressure there's nothing to push the balloon upwards. Helium balloons don't fly. They float.
+Hydraulic Press Action Hey man. So I think you should have tried this with hot water as well! The reason is that one, there would be far less dissolved air, but more so, the vapor pressure of the water would be much higher. It would have been interesting to see if the pressure could expand the balloons more, and maybe even burst them.
Also, someone in the comments mentioned a cool idea of putting a helium balloon in the vacuum chamber. We would see the helium float and then, if your vacuum pump is strong enough, maybe even see the balloon sink as the helium becomes denser than the surrounding air that's left! You could even attach it to a scale to measure the drop off in buoyancy
+DANG JOS yeah I'm trying to find a way to make a rigid balloon that won't pop when I decrease the pressure...I'm open for ideas on this:)
+Hydraulic Press Action Someone also mentioned one of those mylar balloons only partially inflated. The mylar balloons have a limit to how far they can inflate, so they should work
Dang Jos...good idea, also, I don't think the water would actually need to be hot, it could be water
that WAS boiled, then cooled first...maybe we'll learn something from this.
When you buy a bag of ice, those ice cubes are CLEAR! When you make ice in trays at home, the
ice is not clear. Heating, or boiling water releases the gases we see in ice cubes.
soundspartan of the basket You're right. There are other ways to remove the air from water. At a college I used to attend, they made a 10 meter tall water barometer. Of course, dissolved air can ruin the readings, so the water looks blue due to *copper sulfate* that was added to remove it. The reason I didn't mention this is because I don't know how to fill a balloon without a water faucet. So I thought that turning the water to hot was his best bet
Just use a condom
Make a bigger version of a magnetic fish tank scrubber to clean the vacuum chamber walls while you're using it. It's a magnetic scrubber placed inside that follows a magnetic handle that you move around outside
This is clearly balloon abuse ;)
Agreed
One pilot at very high altitude reported
feeling the saliva boiling in his mouth . . .
just before he passed out.
Good video
I would love to see this repeated with a thermal camera.
Intresting! I did expect the baloon to hold the water from boiling as the vapor pressure of water at room temperature is quite low, but not that those small air bubbles in the first ones would expand enough to make them pop...
can you hard-boil an egg in the boiling water in the vacuum chamber of course
No, that requires heat. and the egg would explode when the vacuum is great enough, because there is some pressure inside the egg protected by the shell.
Food needs 60 °C to cook.
Cooking sous vide is a kind of vacuum cooking as the name suggests. It's always necessary to apply heat though.
Hard boiling an egg comes from the denaturation of the albumin protein present in the shell of an egg. And for denaturation you need certain temperature. We use boiling water for doing that because it transfers the heat more efficiently and effectively. So there we are doing the work of temperature and not playing with the pressure. Hope you got my point
You have space like conditions right there in your room in a little box.
Cool !
in second part that is stem.... not dissolve air
BCD Technology I’m pretty sure that’s a typo of steam. And I’m pretty sure you’re right
I would be interesting to boil the water at atmospheric pressure first to liberate the dissolved gases then cool the water in a sealed container before filling the balloon.
+gribbo9999. Or use the vacuum chamber to first "boil" the water in an open container. and then use that water to fill the balloon. that way you don't have to wait for the water to cool.
The bubble that formed quickly at the beginning and remained after the pressure was normalized was the dissolved gasses. Most of the big bubble that formed while boiling was water vapor. When the pressure was restored, all the water vapor condensed back into liquid water and a small bubble of the extracted gasses remained.
Would be interesting to see what is in that little sample.
You need a digital altimeter on your vacuum tank. It would be neat to see the altitude in which your reactions take place.
That is exactly what happens to your body in space or on mars without a space suit..
This is cool. Its late a night and I should be sleeping but your videos are too interesting!
you forgot the S after happens in the title haha
So fun question... What if you remove that air bubble and repeat the process. Would get a more pure H2O? Assuming it would still have minerals and other things dissolved in it. But less foreign gases, right?
is the boiling water warm right after the air is let in or is it cold still?
is room temperature
Actually it's probably a little cooler. The boiling means the hottest molecules of water are escaping, leaving the cooler ones behind, thus lowering the temperature of the water.
Perfect... I read that in books now saw it reality. Great work
6:57, "Oxygen and Nitrogen"?
Unless I misheard, you made a mistake.
Air is 78% nitrogen and 21% oxygen. No mistake made.
@@mb7hl
I honestly forgot about this comment.
@@Request_2_PANic I'm new to his channel.
@@mb7hl he means the 1% argon XD and what ever the CO2 is and trace amounts of others but who cares
Fan-bloody-tastic. this is just what I have been looking for, and you have done it for me.
A few suggestions, could you have a pressure gauge visible all the time for reference.
And I remember working in a lab years ago and we had to de-air the water first before using it in vacuum things., so take a litre of water and put in an open top bottle and then put it in the vacuum for a while, bring it down to almost boiling for 10 minutes or so.
Then use a syringe to fill your water bombs with no air and de-aired water, see how that goes.
Cheers.
put your hand in water, whilst in a vacuum!
That... actually sounds interesting. Although the water will start boiling when the pressure is gone, it will not change it's pressure as long as it's in a liquid state since liquids can neither expand or be compressed. So theoretically, the water could actually protect his hand from the rigors of vacuum and possibly prevent the discomfort, pain and swelling he experienced when he first put his hand in vacuum.
We need you to test this theory, man!
Yeah man, im totally excited to see if it gets tested, it would be very interesting. Lets hope he sees this
+Mário Ďuráč actually it wouldn't matter if my hand was in the water or not, watch my video of a balloon under water in a vacuum and you will see it acts the same whether it is in the water or not. ruclips.net/video/aTDsB4uPmQc/видео.html
+Hydraulic Press Action yes but that was a balloon not human skin, balloon is made out of rubber and is very fine. Human skin is thick and made from different properties which may be not be effected. Would be cool if you tried it
Hydraulic Press Action what is the temperature of the water in the vacuum while boiling.
with all the air out of the water it is time to freeze that balloon and get crystal clear ice for your drinks to celebrate a great video.
man your videos are amazing love your work....but i have a suggestion, you should delete the noise of vaccum chamber and give your voice over only.... it would be great..!!
I only came here to hear that vaccuum noise
I don`t know if the gas dissolve back into the water or if it get compressed by the atmosphere.
If you repeat the experiment you will be able to see if some bubbles form again or if the single bubble just expend.
Also releasing the pressure back more slowly could help a little for the bubble to be intact.
Put an astronaut in there
andrew b
But just make sure he’s wearing a spacesuit- thoroughly tested underwater
Apparently they can plug holes on the ISS with their finger too.
So gases should dissolve much more under sea level , more you go down more they dissolve , so if we inject CO2 to the ocean floor it will dissolve dramatically and change the PH significantly.
Oh for goodness sake. Please get yourself a less wimpy vacuum pump, preferably a two-stage rotary vane, possibly even oil sealed. You want something tht gets down into the low mbar range (1-5) rqther than this one which struggles to get approx. 100 mbar A. You can then have all sorts of fun seening water boil (dependent on the temperature of the water) and then freeze at 6 mbar A/ Please also get a good absolute pressure gauge and ditch the "vacuum" gauge.
How's it possible? Everytime I watch your videos it never ceases to amaze me.
Wait, why does water boil in the chamber if there's no heat ?
Atmospheric pressure.
soundspartan of the basket So there doesn't need to be heat to boil water ??
On earth, all the air pressure pushes bodies of water at room temperature into the liquid state. The less pressure there is, the less heat is needed. So when you remove pressure, room temperature is eventually enough to make it start to boil. You can also do it other way around, increase the pressure and then the water wouldn't start boiling until very high temperatures.
Daily Squid...that's correct. Temperature is not the determining factor.
Read darkkenia's comment. Also, that's why cooking times vary at
different altitudes.
Also, look into a condition known as "the bends" for deep sea divers, miners,
and fighter pilots. It's a deadly condition if not treated properly.
Daily Squid there's no air pressure it needs no heat
I think you should try the same thing with a huge balloon.
So could you cook ramen in there? I don't think you can but i'm just wondering
The temperature actually drops during the boiling, so it would not be able to cook anything. You need heat to cook, not boiling
The Lorax Its boiling because of low pressure not thermal energy(heat)
The Lorax yeah if you want cold ramen
no because the water you can actually boil at room temperature ......two things are involved with this .....pressure and temperature ..... the higher the atmospheric pressure the higher you will need to raise the temperature .....and vice versa ....so by removing the atmospheric pressure you can boil water at room temperature ..... however due to this low pressure and low temperature it will be hard to cook foods .....an example of this in real life is the top of Mount Everest ....due to low pressure towards top it will be harder to cook food properly .....hope it was easy enough to understand
I am not so sure. It is not the heat that 'cooks' ramen, but the steam that hydrates the ramen. However, the heat does alter the starches so the noodles stay together. Without heat, the starches will not convert, so the noodles will fall apart.
7:05 I did not expect that. It's science!
E X P A N D D O N G
This might be a stupid question.
When water boils under a vacuum, is the temperature rising?
Or is the boil just simply react into pressure?
First but no one cares.
skull krusher I care no I don't lol.
+skull krusher I care:)
Hydraulic Press Action wow it's you keep up the good work nice vid.
skull krusher lmao😂
thank you for understanding
great experiment, i believe the water didnt boil at the end because the pressures of the undissolved gasses remained high enough to prevent H2) partial pressure to reach boiling levels. try doing this experiment with much less water in the balloon (decreases the balloons elastic restriction, removed the dissolved gasses from the water (maybe a heat resistant balloon?) remember the goal is to allow it to boil so we should remove the restrictions that prevent it
I would like to see a dead animal like a rat in a vacuum to see what
happens( like the dead rats u buy to feed snakes). Only for educational viewing. Not to be gross or anything.
Also a broken LCD Screen would be nice to see. A Subwoofer also not to
see if it would make noise but to see if it will still move under
vacuum. Also igniting a Firecracker while its under full vacuum.
I'm copy pasting my comments on all his new video untill he does it.
Why didn't u put water it in a Air Tight Jar and see what happens? U could submerge the Jar and lid under water so its 100% air free. Then U could put a silicon sealer around the jar to make sure the seal does hold and then we could see if water boils.
What Happens if U put a distilled water battery from a car under vacuum? What does happen with the battery volt when the battery is under vacuum?
What about a red hot metal under vacuum? What would the metal do? What about liquid metal under vacuum?
Is there someway to heat up a metal so hot under vacuum that it would , melt and stay in a liquid state then u keep doing a purging setting as in vacuum then release let cool off then repeat. Would it make a cool design? or would it stay flat due to it being melted?
supranaturbo look at codyslabs he has done some of what you suggested
You sound like you're in a candy store
We are 60% water. Why aren't the astronauts, doing spacewalks not boiling to death? Astronauts are in probably the most hostile situation for anything up to 8 hours, and their bodily fluids have not boiled away? Why don't astronauts do their training in giant vacuum chambers?
+Canary Brain Studios Use common sense. Pressurised to withstand the huge pulling force of a vacuum in space? And why don't these astronauts practice spacewalks in giant vacuum chambers? The last person who tried passed out, when revived, he spoke of the saliva on his boiling.
+Canary Brain Studios The so called astronauts do not do any training in vacuum chambers. They trial out their suits like giunie pigs in "space" or on the moon. Think about what you are claiming to believe.
+Canary Brain Studios Now Is The Material thin or thick? Cos which ever answer you give screws you up.
+truthbetold - By this logic, you would think it impossible to create a pressure suit that can survive the extreme forces of deep-sea diving, but alas pressure suits like this have existed for decades. Submergible suits have to withstand the pressure of many atmospheres while at various depths, whereas spacesuits only have to withstand the pressure of 1 atmosphere. I am assuming you don't deny the fuctionality of pressurized diving suits, so why do you doubt that spacesuits can work just as, if not, even more effectively?
+Red - Yes, scuba divers don't train in vacuum chambers because a vacuum chamber doesn't provide any realistic environment for where they will end up working. Astronauts on the other hand train in pools because utilizing neutral buoyancy creates a similar environment to the perceived weightlessness during a spacewalk whilst in orbit. Though not perfect, training in a pool is as close to that environment as we can replicate on earth for extended periods of time.
Railway cars can be depressurized enough to cause them to implode, but that has to do with the amount of air that is pumped out of them. The force due to pressure is proportional to the amount of air that is pumped out. Spacesuits have hardly any air in them by comparison, so the strength of the material they are made out of doesn't have to be as strong as a steel tank car to keep the air inside under one atmosphere.
The case study you are referring to with Jim LeBlanc back in the 60s is an example of what happens when a space suit is breached under a vacuum. Before his air hose was disconnected, the suit was operating just fine in the chamber. When it came loose, Jim started to experience the symptoms you described. It's total as you'd expect. There are many more studies and tests performed where spacesuits perform as designed within a vacuum chamber. I invite you to do more research on this topic as opposed to just citing this one, cherry-picked case.
Also, I am not sure you are aware, but it is spelled "astronauts." -naut, as a root word, is Greek for "sailor."
Put a mouse in there.
Please don't, people are already crying when he puts a fly in there
A fly, wtf is wrong with us people today man?
J - Myst
Flies are alive. People need to stop killing things for their enjoyment.
For what enjoyment? So you're telling me that you wouldn't be happy killing an annoying fly during the summer?
That you won't get satisfied after killing that mosquito? That you'd dine with a fly and won't mind if a fly lands on your food, when they can transmit diseases?
Clearly after you watched the video the flies were still alive, nothing was killed in the process and you squirmish people still complain for no absolute reason. Seriously, us people are wasting so much time on the stupidest things in this world, it's just absurd.
People need to consider more important things in life, insects/animals will kill us on instinct. Let's pay attention to how some parts of Africa/Asia are poor and how people can work together to make the world better, not complain about "killing flies" ffs.
+Sean Parkes people need to stop being liberal fucktards caring about a life as meaningless as a fly
I can't help but wonder how different types of plants would react in a vacuum chamber. Cactus, evergreens, flowering, etc, since they do vary a bit in their structure and makeup.
Now I see how easy it is for astronauts to work in there balloon space under these conditions.
Did you use tap water? You say "dissolved air", but there is often chlorine in tap water. So there could be chlorine gas also.
All research and knowledge is useful as it keeps an active mind and proves that man has more potential than only using his instincts as most animals do. So do not care too much about the negative comments, what you are showing is good science and knowledge about the invisible behaviour of our natural components under different states. Congratulations.
Just think astronaut in a space suit out in space. Great experiment.
WHAT?! YOU MEAN NO THRUST IN A VACUUM?!?!? HERESY!!!
Now I understand why people use vacuums to get bubbles out of materials in molds
This is a good example of what goes on inside the coolant system of your vehicle. The sealed system of the radiator, water jacket, water pump, and heater core Prevent the coolant from boiling and evaporating. It will not boil in a sealed system. so if ur vehicle sounds like its boiling after a long trip or excessive driving, ur system could have a leak
Best part of my week, watching your videos...the hubby doesn't get it but they're fascinating!
It would be more fun and educative to see all the vacuum chamber experiments with thermometer in it.
Would be nice to see this done with water that has had the dissolved gases removed. You can get such water with a vacuum pump to bring water to a vacuum boil (which should release the dissolved gases first), then store it in an airtight container.
You could then try the experiment with balloons filled with different volumes of water. A full balloon might keep the water compressed and not boil (thus not pop), while a balloon only partially filled with water might boil the water, and the water vapour produced might even expand big enough to eventually pop the balloon. I wonder.
Is this a good representation of what would happen to any exposed living lifeform in the vacuum of space?
So, was the container "hot" after your balloons popped?
Also, amazing how fast the disolced gas reabsobed after you increased the pressure back to atmospheric. I thought it wold take afew moments.
The ballon doesnt shrink back to the sice that is was before, so maybe less pressure at the end causes some undissolved gas that before was dissolved
+Hydraulic Press Action You should also try to freeze only the top of a tall glass of water. Water's triple point is about 600 Pascals, and you only need about 2 inches of water to create that pressure. So if you had water 5 inches deep, the top can freeze due to low pressure, but the bottom would always be at too high a pressure. Well, admittedly, it could still freeze completely due to heat conduction, but it would still be interesting to see if it *only* boils within the first *2 inches*
+DANG JOS hmmm that would be interesting, I should try something like that!
your vids are so cool man im glad i found you-you even explain the science behind everything
It would be neat if you could extract the air bubble which forms under vacuum, then expose the water fresh air at atmospheric pressure, and then put it back in the balloon and vacuum it down again to see if it absorbed any air.
You could spray the inside of your chamber with hydrophobic spray, such as rainX, then record another video - The rain X might take care of the condensation on the inside, beading it up a bit
Someone mentioned using an infrared temperature reader. It would be interesting to know if anything changed temperature. The vapor pressure must have something to do with the 'boiling' of the water, and I wonder if the water would get cooler as the more active molecules left the solution. This 'experiment' seems to create as many questions as it answers.
The temperature remains the same it is the pressure drop that lowers the Boling point of the water causing it it boil at room temp.
I actually think what was left over after you released the vacuum was almost all the air that was dissolved in that volume of water. There was water vapor generated inside that balloon, but it was what quickly re-entered the liquid phase.
Oh, so the water boiling puts water vapor into the air and maintains a certain amount of air pressure, keeping the other two balloons from popping. Very cool.
It's impressive how quickly the water vapor returns to the liquid phase as soon as the air is replenished. Is there any change in the water temperature during either of these attempts? Or does it remain the same temperature regardless of the surrounding atmospheric pressure(or lack thereof)?
HighlanderNorth1 The temperature of the water doesn't really change much or at all
You should try putting some furniture foam in the vacuum to see if it expands like marshmallows do
That was really cool. I'm curious, did you use tap water to fill the balloons? If so, do you think using something like distilled water from a gallon jug would react differently?
That is an awesome video. I have always wondered if it was possible to compress air enough to make water in the chamber buoyant. I don't know how easy it would be to achieve similar density, but the chamber required would be quite expensive. Maybe renting one for an hour would be enough to carry out the experiment. BUT WHERE?!
these videos are really informative. things that we never get to see
You should try putting gallium or some other material that melts near room temperature like chocolate, wax, or butter and see if it melts in the vacuum and has a phase change, and maybe try mercury as well?
In the second experiment the balloon had no air bubbles at all. When you sucked the air out of the chamber, some dissolved gas came out of the water, but most of the gas is actually water vapor. The reason I think that, is that the gases cannot dissolve so quickly when you fill the chamber with air. Otherwise, there would be no gas left at the end of the experiment. Some gases like CO2 can dissolve quickly. You can do another experiment by boiling water in order to remove dissolved gas, seal it in a container and allow it to cool. When you put the balloon back in vacuum, you can isolate this gas and see that it is water.
put them in a container of water then into the vacuum also try mineral water and distilled water and see if that changes the outcome
He should teach for kids, for many reasons, but he LOVES to say 3...2...1!!
You could try to attach a remote controlled valve to the balloon, and release the expelled gasses as the pressure drops.
So you basically made a spacesuit for the water. The rubber replaces the pressure that the air would have created, keeping the water at just high enough pressure to not boil at air temperature.
IDEA FOR THE VIDEO!
Check if you can mix water with air using mixer! Then compare tap water with the mixed one in baloons in vacum chamber (does the mixed water will release more air)!
i think it would be neat to see seltzer water mixed with a little liquid dish soap mixed in, put into a glass in the vacuum chamber...
I wonder what would happen if you'd have a setup where you could extract the dissolved gasses when they unsolved(undissolve? idk how you would call it) and then expose the balloon back to normal pressure. My guess is that it wouldn't do anything different until you remove the water (that wouldn't have any dissolved gasses inside it) back to the air.
Wow I think your channel is really educational but really fun too
now you know what happens to your head in space
I think you’re mistaken about the composition of the gas in the balloon when you turn off the vacuum pump. I think that the dissolved air in the water is only the volume after opening the valve at the end. I think that the rest of the volume of gas in the balloon is in fact water vapor, otherwise I don’t think it would have gone back into the liquid so quickly. You can put a little water into a syringe, cap the end, and pull on the plunger to cavitate the water into vapor and the vapor will change back into liquid again as soon as you let go of the plunger.
It doesn't "release the dissolved air from the water", it's the water boiling and turning from a liquid to a gas because the boiling point of water drops the lower the pressure gets.
How do astronauts in suits survive in space?
dive decompression sickness 101 who we get it and who we use a hypabaric chamber great experiment keep it up
Thanks for the video!!
Realy enjoyed it!
Awesome ! What about to test a balloon filled with water "without gases" (boiled in an environment at atmospheric pressure)?
And in the other hand, two more samples: Tap water (the water I assume you used here), and an agitated water sample.
Vapour pressure of water at 20C is 0,02 bar, that means 2kg of force on 10x10cm part of baloon. Obviously the balloon is strong just enough to withstand that force. Put inside water at 30C and it will almost certainly explode at high vacuum.
This is the coolest expt I have ever seen.. Awesome.