@@marsbase3729 The problem with aliens existing is any species that is long lived enough would destroy us. In contrast, if we were the only life forms we would be walking through the void with no one to talk to.
@@KRYMauL I disagree. The fact that a species is long lived doesn't mean it would destroy us. In fact, the longer lived the species is, the more likely they are to have violent tendencies that would lead to their own destruction. Maybe if you said "could" instead of "would".
@@marsbase3729 The idea was that an advanced alien species would likely not register us and just plow though Earth to build a space highway or something see Hitchhikers Guide to the Galaxy
This is a truly amazing vid! Finally a normal guy talking about stuff that would typically fly over people's head at the speed of light. Here I am actually enjoying the science and the sad idea that we may actually be stuck in this solar system forever. Or at least until the Sun swallows everything....
18:19 - I have been waiting forever for Joe to mention Tom Scott. I love both of their content for very similar reasons, it's relaxing and informative (among others), and I knew they probably weren't related but I thought it was funny to of my favourite youtubers for information communication had the same last name and style of channel name.
Hi Joe like you are explaining about intermittent use of power, put the power on coast then another blast of power what about in between the periods of coasting some sort of solar sail I recall watching about the issue of using a sail to trap solar wind are power I don't know whether it's a wind or a power?, surely combining some of the ideas, and incorporate slingshot from any nearby bodies of mass for example planets moons
Joe, have you not heard of the patented inertial mass reduction device designed by doctor Salvatore Cezar Pais for the US navy? Patent No.US10144532B2. The patent office initially rejected this patent claim as unrealistic and unarchivable, that was until the Navy informed them that they have a active system under test!
Working on it, I think my inertal drive will work, works on dynamic analysis software, it can be explained with hand calcs on 2 sheets of A4, the physics and maths make sense. I've called it the Christa Drive and no one is interested in it, so I'm working on it on my own, such is life. It's not centrifugal force like the reasoning for the dean drive, it's conservation of energy, its possible to create a delay between a force and equal and opposite force, so something can accelerate then decelerate, hence move position but have no momentum.
Another thing We can do would be to perfect Cryonics. That way,there would be no need to make a "Generation ship." The original People on bored would just undergo a vitrification process and then, centuries later, when they arrive at there destination they could be revived and just step. out onto the surface of a distant planet.
Lazer highways are entirely within known physics and would get a spacecraft to around 0.9 c without too much difficulty. Might be a while before we have the in-orbit manufacturing to create mirrors for them though.
I don't 100% know for sure if it was ”alien,” but in 1975 my brother and I saw a sphere with long antennae protrusions that retracted into the sphere then it took off with instant acceleration to warp speed at the snap of the fingers. The whole sphere, including the three ”antennae” seemed to be totally electrically charged. After about 45 years of looking, the other day I finally found a video that is a close representation of the color of the sphere we saw, including it's electrically charged appearance. This is just pure speculation, but I was wondering if the antennae things were a way of gathering electrical energy to travel long distances (why else would it need warp speed?). A funny thing is a woman who was not with my brother and I when we saw the sphere was a co-employee with my brother. The next day, the woman was telling people in the office where she worked with my brother about the sphere. The employees (it was the Forest Service) were ridiculing her. My brother informed the ridiculers that he saw the UFO too, so the ridiculers stopped making fun of the woman. I believe there may be some habitable planets with human-like intelligence much closer to Earth than we think. Of course, my opinion is based on my UFO sighting, so I could be completely wrong, but, unless I’m a brain in the vat, I’m 100% certain I saw the UFO.
I'm a big fan of an evolution of Arthur C. Clarke's third law. An author "Karl Schroeder" said: "Any sufficiently advanced technology is indistinguishable from NATURE". I think it's the culmination of Clark's quote, and in conjunction, it sums up even better how advanced "sufficiently advanced" could be! Imagine if the very structure of the universe is something's technology... 😳🤯 BTW, I do subscribe to Nebula. I love it, and I would watch your videos on Nebula, but there's no comment section! Yes, RUclips is sucking the fun and life out of a great deal of my favorite creators and their creations... But half fun for me is interacting via comments! Cheers Joe!
I still like the idea of using rail or gauss guns to launch stuff into orbit - saves a lot of energy on lifting all that fuel. I propose using floodlights as propulsion.
I refuse to believe that the speed of light is our limit. Even in the face of reason, knowledge, and logic I still refuse. There's too much cool stuff out there. I still foolishly hold out hope that we'll discover something that allows us to bypass it.
I'm hardly an expert, but my understanding is that the speed of light is also the speed of causality, meaning that if we traveled somewhere faster than light we'd arrive before we departed. It's an unsolvable paradox at current technological development, but there is hope, the alcubierre(spelling?)drive creates a bubble of spacetime aeound the subject ship and moves the bubble with the ship inside, allowing us to stay within our own timeline but still travel faster than light. Cool stuff, I encourage you to look into it yourself as I probably bollocked the explanation somewhere in there.
@@levilandes1719 Unfortunately alcubierre drives still cause causality issues. en.wikipedia.org/wiki/Alcubierre_drive#Causality_violation_and_semiclassical_instability Things like warp drives and wormholes that get around light speed by shrinking space or creating short cuts in space are called apparent FTL. The ship never moves through space faster than light but they still wind up at their destinations faster than light due to trickery with space compression. While apparent FTL gets around the speed of light limit from relativity, it does still cause causality issues though. Causality doesn't care how you got a ship from point A to point B faster than light, it doesn't care if you did it by moving through space at FTL speeds, or by taking a short cut, it just cares that you crossed a light year in less than a year. If an alcubierre ship can take you to Alpha Centauri in less than 4 years that still counts as apparent FTL, and since it can work two way you can use it to transport information back and forth and cause causality violations. en.wikipedia.org/wiki/Faster-than-light
@@planetfall5056 I am not a physicist. I am also pretty sure that causality is not a thing. Einstein sort of doomed us; since there is no favored frame, and all orderings of observations represent a point of view which is valid -- there is no time. Everything in the history of the universe happened once, all at the same frozen instant -- what we see is just our particular perspective. This is a serious 'time' catastrophe. The problem is that while it seems like Einstein was wildly wrong, his predictions still keep passing every darned test we can devise. Enter the standard model of quantum mechanics -- it cannot explain time either. It works, and passes every darn test we can devise -- but it insists that there no so such thing as 'locality'. Modern forays into theoretical physics (trying to glue these two unruly beasts together) often try to find common ground in a 'timeless physics' -- where time, locality, causality, and other things which we have long assumed were fundamental -- all arise as emergent properties, made up of other 'more-fundamental' stuff. When all is said and done, causality might not be a fundamental at all. We might find that the Causality Ordering Principle doesn't hold. No guarantees, of course, and the regimes for doing fancy stuff might be well outside our reach for the next century or more... but the new physics could be quite exciting.
If we manage to tap into a dimension where speed and time are irrelevant factors, then yes, we can in fact travel 'faster' than the speed of light. Whether this tech is a few decades or a few millennia into the future remains a mystery.
@@mikitz I was actually thinking of extra dimensional travel.. I think Joe touched on it but I'd love to see more on the concept. Watching theoretical 4 dimensional objects seemingly pop in and out of reality is fascinating
Joe! what about element 115????????????????????????????? ????????????????????????????? willyou do a video exploring this?????????????? ?????????????????????????? .............your awesome!!!!!!!!!!!
Everything has to seem impossible because if it were otherwise we would be on the path to creating it already. We need an umbrella of seemingly unconnected technologies that will eventually provide access to extremely fast then later ftl travel.
Before I watch this video I am going to assume the major problem with all of these is that you will have to slow down for just as long as you speed up and both ways will take an extremely long and inhuman amount of time regardless of its almost sci fi speeds. The time it takes even as instant light speed is still inhuman. Also at near light speed over long and longer distances the lorentz effect starts to warp our position in reference to Earth that makes long travel more and more dissociative from our initial reference point.
en.wikipedia.org/wiki/Neil_Breen And different species is just about right. He's a 'filmmaker', his movies are bizzare and terrible, Red Letter Media do great entertaining reviews of them.
Anyone can see the TR3-B Triangular Black Anti-Gravity vehicles flying in space around our planet if you just buy a hi-quality pair of Night-Vision optics(monocular lenses) & ask for matched optics if you want to record videos of this. You can see them on both coasts of America, usually best to look after 10:00 pm to 2-3 am. Sometime you can even see a mother ship & these tr3-b craft flying in formation. Oh, & the B-2 Bomber has 5 different "drive mechanisms" on board; it is a truly amazing vehicle w/ abilities to .....Enough Said. FREE
I got it! A giant bellow that uses the Co2 of the crew as mass and good ol' elbow grease to crank the beast! I shall accept my Nobel Prize while wearing a monocle and smoking a cigar 🧐
You missed a possibility - the generational spaceship called 'EARTH''. Yea, we just stay put and have fun and wait for the universe to come to us. Crazy? No.Scholz's star came within 1 ly of Earth 70,000 years ago. Astronomers think that next star to make a pass at the solar system is coming in 1.5 million years. That's a lot of generations though.
Instead of working on going very fast to getting places within our lifespan, why not just work on some stasis device or cryo chamber that could put hums in suspended animation for the duration of the journey. You could take an 11000 year trip with 2 days worth of food and oxygen rations and to the traveler it would seem conceptually instant. Its not a very viable option for exploration perhaps since the scientists back home would get impatient(or extinct) before the data could arrive back on earth, but its certainly an option for colonization.
Instead of prioritizing faster, fancier rockets, why doesn't NASA and Space X focus on first building the infrastructure either on the moon or in space to actually build the ships up there, fuel them and launch in microgravity with tons of fuel? I know infrastructure projects are not glamorous, but it's the backbone to any real space flight program. Once that's built and stable, designers can turn their attention to better ships.
Any technological effort to reach other worlds will never reach ahead of our future improvement in propulsion systems! Hence the best time to try is never!
I've recently wondered... what about human assisted energy. Like, hear me out lol... bicycle powered electricity? Damn it man I'm not an engineer, but couldn't the astronauts generate that energy on ship and displace it out a thruster? Idk, I just took some shrooms lol
At some point in the not too distant future a person is going to come along that sees all this in an entirely new way.... And we'll never be the same. I predict that future humans look back at our current scientific abilities and think "Math.... Cute".
Question: I am by no means qualified to validate this idea BUT.... why would you shoot a laser at a solar sail from earth when you could put a laser on the craft itself? It seems like blowing your own Sail in this case could work because the beam omitted from the laser has not thrust, however the sail uses these photons to move forward. But if the laser does produce some small amount of thrust, could you not slowly accelerate with a laser?? Can someone smarter than me please explain this
just thought of cheap power,,have a small ''fire'',in the back of ship,,keep feeding it with rp7/crc empty cans,,fk they go off.light,plenty full.&,heaps fun..
Dean drive is producing low thrust, due to masses works in two-directional movements. Maximal force gain cannot exceed half the power of the entire system energy. Practically is never equal to that value. More power can be achieved in loop rotary systems. Inertial propulsion isn't fake or paranoia, but if to consider so small financial resources predicted on entire world to make a real progress according to this propulsion method due to rocket technology improvement investments, it is no wonder that this progress is still creeping at the beginning. If to redirect those money to inertial propulsion solutions research, we could be already on Mars and have colonized entire solar system.
Hmmmm.....are you sure that Arthur C. Clark is the origin of that statement for his third law? I know I've seen something somewhere that attributed it to someone else, and IF I'm remembering correctly that person would've said it before Arthur C. Clarke was an adult, much less working on becoming an author. Still, it is something that is observably true now, as all you have to do is find a portion of the world that isn't familiar with 'modern' technology and show up with it and to them it's magic.
I forgot to add this earlier, but in many of the sci-fi settings that I've encountered that attempt to explain their 'reactionless' drives they technically aren't 'reactionless'. What it is is that the reaction they utilize isn't based on shoving matter out the backside of the drive to push the ship forward. Although I don't remember which Star Trek book I read it in (this was 20 or so years ago, so it has been a while) the author attempted to explain the Impulse Drive. In that book the very basic description of how the Impulse Drive worked is that inside the drive chamber there was a 'pellet' of matter that had a laser fired at it. This caused the pellet to give off a sub-space wave, and the ship moved by 'surfing' on that wave. As such, there is a very definite series of actions and reactions taking place, but they don't require the ship to actually eject anything out the backside to make it move, which drastically lowers the amount of fuel required but also constitutes a type of 'reactionless' drive. I've encountered descriptions for a couple of other types of 'reactionless' drives in sci-fi, and they did have a action/reaction sequence to them, just not the same type of action/reaction sequence as a rocket has.
I went to a farmers market that had 33 varieties of apples. I was visiting family in the Boston area. It's quite possible the market was in Newton. Coincidence? /Well yeah, but still.
@@naungyoe3215 the story is Newton thought about gravity when an apple fell on his head. Its a popular story but its not really proven to have happened.
"Or maybe pursuing this is all just a waste of time" -- No. Not a waste of time. A caveman decided to sharpen a stick once and that, through a chain of extremely unlikely and fortunate (or unfortunate) events, we got to discussing making warp drives in the first place. A caveman is already convinced we possess magic. And space travel, and the pursuit of it, has lead to so many innovations in just one human lifetime that our own parents have trouble keeping up. The future is built on the backs of all of these, often stupid, often fruitless pursuits. Be it an idiotic dean drive, or the first five hundred things a caveman sharpened before realizing he could stab things with it. We're getting there. Give us time.
Indeed. Learning, any learning, is worthwhile. Some may not pan out, sure, but how many medicines and technologies do we have because some person decided an obscure Amazon frog was of interest, or radioactive isotopes, or a myriad of other things.
I mean, there's always the off chance we'll discover the blueprints to a faster than light engine encoded into the microwave background radiation. Species from the last iteration of the universe had a lot of time to work on this stuff.
@@HaveYouTriedGuillotines That would easily be the most amazing and most terrifying discovery of all time because it would simultaneously confirm that the universe is cyclical, and that we will know that we will see our own demise.
@@KRYMauL Maybe not. Depends on the cyclical model. Just because something from the last cycle left a message doesn't mean they're gone. Could have been a contingency plan, or something done just because it could be done. A species possessing technology that can manipulate the fabric of space may very well be able to survive the death and rebirth of the universe. Temporal stasis, pocket universes, possibly even manipulation of the vacuum itself.
This is a bit off topic, and I don't remember where I heard it but it makes me giggle from time to time: "For every male action there's an equal and opposite female overreaction"
It took a few tries, but I managed to hit the one-frame image at 16:46: \/ SPOILER \/ The legendary maker of insanely terrible movies and unbeaten champion of RLM's Best of the Worst, Neil Breen!
The XLS drive is my favourite. If you've ever been scrolling down an Excel spreadsheet and scrolled down too much you've no doubt seen extreme relativistic acceleration of the cursor. It goes fro Row 50 to like 5 million in a hundredth of a second! Harness that and we'll be on Risa in no time!
If I remember correctly, holding down the Control key + the Down Arrow will send the cursor to either the next cell with something in it or the bottom. Back in the '90s, a small computer integration company I worked for had me use Excel to write a program for their employees to use. They didn't believe me when I said that Excel was the wrong tool for the job, that what I should have been using was a relational database. But, of course, they didn't listen. I managed to do it but it took FAR too long because I had to write custom macros which were quite involved. Ah... but another story for another day.
Precisely! Agreed, If we look at the advancements made in just the last 50-100yrs...just imagine the next. We might be on the brink to a breakthrough discovery that could be a TOTAL game changer. Man, Alcubierre’s Warp drive might one day just be an upgrade option for our ‘personal pleasure crafts’, right?! Exoplanet paradises await!
Now a days we use mushrooms because the whole universe is connected; because to sufficiently unsophisticated writers, all technology looks like magic anyway.
@@carpdog42 Ah yes, the mushroom drive: For when you need to prove to an entire fanbase that, yes, even after all the ways that their favorite franchise has been abused already, it really can get worse somehow.
Actually the Asgardians didn't give us hyperspace engines. We duplicated Goa'uld technology ourselves and use naquadria to power it. They did give us intergalactic hyperdrive engines so we could go to Atlantis through.
The aliens in the movie Independence Day are actually sentient beings that have been on generation ships for hundreds of thousands of years. By the time they arrive anywhere, they are so desperate for supplies, they just take what they need without concern for indigenous life. Essentially, they have evolved into galactic locusts. I find this theory the most plausible of all first contact scenarios.
Possibly, however the premise of the destruction of life to get resources from a resource poor environment and possibly losing your own lives doesn’t make any sense. They compare man to ants against a advanced civilization like that purposed in Independence Day, however ants can still cause a lot of damage. Again for what? A resource poor plant? Not likely, more likely go after resource rich asteroids, moons, and other astronomical bodies that won’t have indigenous life to put up any kind of resistance.
@@randenrichards5461 It takes so long to get to a destination that you have to acquire the necessary resources when you arrive regardless of the cost, or die. It makes perfect sense.
@@Lord.Kiltridge An advanced species should be able to invent recycling. That's not 100% efficient so they will need resupply. However, are there any elements on Earth not found in asteroids? . Surely they would have plenty of energy to make things from basic elements. However, they might be really really bored... when they get to earth they'd hit the casinos and beaches hard.
Some day there will be trillion dollar industry weight loss/health spas on the moon and Mars!! "Lose weight without dieting"! Plus free, all you can eat, Moon Pies and Mars Bars for everyone!!" :D
At 1G constant acceleration we can get anywhere in the universe in 12 years. Because relativity... That's what the traveller's would experience. Tens of thousands of years would pass on Earth... so yeah... There was video showing the math...
Unfortunately, as far as we currently understand physics, that's impossible for any object with mass. As you approach the speed of light, the amount of energy required to accelerate a mass approaches infinity as an asymptotic limit.
@@cliffsmith23 That's where time dilation comes into play. Because time contracts at high velocities, so does space, which makes the distances and times involved smaller for you, who is travelling at these speeds. While on Earth, the distance for your ship is, let's say, 4LY, and the journey takes maybe 100 years, for your ship, space and time has contracted, flattened in your vector of motion. Which means that for you, the distance was only maybe .01LY and it took only a week or two. Both are correct - you experienced a week, Earth experienced a century. Relativity is whack.
I'm pretty sure "they" "officially" debunked the EM Drive at some point last year. It turned out that the "force" at work was the super weak electromagnetic interaction between the Earth's magnetic field and the electronics onboard the EM Drive. I would usually dig deep to link to the study which debunked it... but that's a lot of work for something that... doesn't. =) As for the Helical Drive, and the Alcubierre Drive, they may have more basis in reality. Obviously, the "oscillation" part of the Helical Drive is a bit silly, as is the requirement for "exotic matter" part of the Alcubierre Drive. However, particle accelerators don't NEED to be the size of the LHC; in fact, the Ion Drive is a type of particle accelerator. Also, we CAN "warp" spacetime with powerful laser light (although, something along those lines may be what is meant by the "exotic electromagnetic field generators," since light is just a wave in the electromagnetic spectrum.) We might also be able to "warp" spacetime with the mass "acquired" by particles accelerated to near light speed using a particle accelerator. I don't pretend to know the practical requirements of either form of "warping" spacetime in either of those cases, and it may well be that both are impractical at best, but it does seem to me that we have both observed the warping of spacetime with the gravitational wave observations which have been made, we have gotten pretty good at accelerating particles, and we might possibly be able to warp spacetime with electromagnetism in a way that becomes "practical" for "transportation." All that being said, 2020 has been a rough year, and I'd settle for anything that would "slow things down" so that "We" as a species could maybe recover our balance a bit and hopefully start making some forward momentum again. That too, seems pretty "far fetched." =/
Sadly, the Alcubierre drive requires two different kinds of warping of spacetime. In front of the vessel, you need the normal kind of warping that "compresses" spacetime in front of it, just like gravity does. This we can do. Don't get me wrong, it's enormously non-trivial at those scales, but it is essentially an engineering problem, not a science problem. But at the _back_ of the spacecraft you need _negative_ warping of spacetime that _stretches_ it. This would require exotic energy or exotic matter with negative mass... and it would require a _lot_ of it. Putting aside that we have zero evidence that such exotic material exists (Dark Energy is subtly different and not useful for this purpose as far as we know), last I heard, with improved calculations and layout of the warp fields, we've got it down to the point where we "only" need approximately one Jupiter-mass of exotic matter to create the equivalent of Zephram Cochrane's prototype warp drive. There's also the small problem of the prediction that as one travels at supra-light speeds using the Alcubierre drive, one would accumulate insanely high-energy particles in the field that, upon deceleration to sub-light speeds, could potentially release enough energy to disrupt a planet. _Probably_ not a star, but still... So yeah... even if it ends up not violating the laws of physics (which it probably does), it requires obscene amounts of exotic energy/matter and may or may not completely obliterate your destination upon arrival. Fun! Or... something-something-handwave-primary-warp-coils-antimatter-reactor-warp-plasma-subspace-manifold-hrrmmrphrhm...
@@barefootalien SOOOOOO interesting about the accumulative, destructive energy theory. I think I may have heard of it a little once before, but that truly is a major concern. As for stretching back spacetime behind a craft using the Alcubierre drive, I'm not sure if you saw the whole video, but Joe mentioned that some people (experts? No idea) believe that spacetime behind the craft would snap back to normal on its own without the need for the drive to use power to reverse the frontal effects... But who knows, it's all theoretical at best at this stage... 🤔
@@Aquascape_Dreaming I did see that after I posted. And that the negative energy needed is down to just a few tons worth! I question how space is meant to "spring back" asymmetrically though, without the stretching field behind to cause it. I've also never heard a good explanation for what happens orthogonal to the direction of travel... Spacetime is essentially the stiffest "substance" known, which is why gravitational waves are so tiny in spite of the enormous energies they carry. I may very well be going too far with the "fabric" analogy, but... If it has any analog to shear strength at all, I'd think that would directly resist the motion of a "warp bubble". Either that or the field would have to be extremely "wide", enough for that shear strength to dissipate naturally.
@Bret Richter Well, that's a common "pop-sci" explanation of aerodynamic lift, and there is _some_ truth to it... But if that was all there was to it, how would an airfoil fly upside down? Or how would a symmetrical airfoil produce any lift at all? How would a paper airplane fly? Anyway, I'm drifting off subject, heh, just some food for thought for ya. ;) (I can explain if you're interested.) But with regard to the subject at hand, the trouble is that air has basically zero shear strength. In the dimensions in which we have data on it (compression/tension specifically, as gravitational waves are longitudinal, like sound waves), spacetime is the stiffest thing we know of. I don't recall the exact numbers off the top of my head, but it's something like billions of times as stiff and unyielding as steel or any other material. So it seems likely that it's shear strength would be comparable and I've not seen anyone account for that in a presentation on an Alcubierre drive, that's all. In order for your air bubble analogy to work, the warp field would need to create a region of some medium _other_ than spacetime. Say... "Subspace" which is exactly how Star Trek gets around it. But the Alcubierre drive, as far as I'm aware, purports to simply create regions of compressed and expanded spacetime for and aft, leaving the interior spacetime unchanged. This, to my understanding, would not be like flying through air or like a bubble ascending in water, but more like trying to drag one region of steel through a steel plate. This is _possible_ of course; it's called stir welding and is used by ULA in their Delta rockets... But it takes orders of magnitude more power than flying through air. I'm just wondering if that is accounted for. I suppose I could read some of the papers on it...
Hi Joe, in 20 years of listening to speakers (including myself) justify human piloted space exploration, I have never seen a better, more succinct argument than the one you made in a record 8 seconds. This video was a great snapshot of the field, and also very respectful of both the practitioners and the naysayers. Well done sir! PS Mr. Agnew is going to be thrilled to be featured here if he isn't already aware of the video. :)
Great video and very interesting topic. I hope we achieve interstellar travel this century. I recently wrote a paper proposing a type of interstellar spacecraft called Solar One (0.3c). I believe the more research we do and resources we spend, the sooner we will achieve interstellar travel.
As much as it sounds like cliche at this point, only Elon Musk can help on this. Governments are too busy trying to implant communism in the western world to be worried about space.
@@MR3DDev Go communism yaaaaay! No they're not. Your government is trying to install socialism because most of you are unable to take care of yourselves. When it comes to taking care of each other...You won't do it. So what choice does your goverment have?
Maybe in the future they will look back at our time period as the second Dark Age. A time in which mankind befuddled himself with complicated theories and maths. A time before the great enlightening of the Cosmic Spiritual Intelligen-essence. A time of ... nah!
alphatrion100 I think one day we will get there. Not anytime soon tho. Just think of how much progress we’ve made in 100 years, if we keep advancing I feel like we will get there.
@@HaHa-ry4fwit requires a vehicle significantly FASTER than light. Thats seems far fetched too me. But say its possible because of 500 years of advancements: You think we even still exist in 500 years?
A bit surprised you didn't mention the horizon drive, as predicted by the quantised inertia theory (as you previously had an episode about that). They are doing experiments with that, and apparently the early results seems at least promising.
Arthur C Clarke has one of my favorite quotes ever. “Either we are alone in the universe, or we aren’t. Both are equally terrifying.”
I love the quote but personally, "amazing" seems a better fit than "terrifying".
"It's always aliens, until it's not." --Arthur C Clarke. We've landed a big one, boys!
@@marsbase3729 The problem with aliens existing is any species that is long lived enough would destroy us. In contrast, if we were the only life forms we would be walking through the void with no one to talk to.
@@KRYMauL I disagree. The fact that a species is long lived doesn't mean it would destroy us. In fact, the longer lived the species is, the more likely they are to have violent tendencies that would lead to their own destruction. Maybe if you said "could" instead of "would".
@@marsbase3729 The idea was that an advanced alien species would likely not register us and just plow though Earth to build a space highway or something see Hitchhikers Guide to the Galaxy
Hi Joe, could you do a video on the possibility of life on Venus based on the presence of Phosphine?
Scott Manley just made one
ruclips.net/video/GWj85r02Oiw/видео.html
I think this is a great idea
Fantastic idea! +1
Second that!
Please Joe! 🙏
"maybe a starship can drop it out on the way to the moon" best line I've heard in a long time
My main complaint about Nebula is that there are no comments. Sometimes there are very interesting stories or discussions in the comments on RUclips.
Advance propulsion of the day... Crawling out of bed for work lol
You mentioned the Mega Drive but fogot about the Super Nintendo.
The Mega Drive was great!
Neo Geo pocket
This is a truly amazing vid! Finally a normal guy talking about stuff that would typically fly over people's head at the speed of light. Here I am actually enjoying the science and the sad idea that we may actually be stuck in this solar system forever. Or at least until the Sun swallows everything....
18:19 - I have been waiting forever for Joe to mention Tom Scott. I love both of their content for very similar reasons, it's relaxing and informative (among others), and I knew they probably weren't related but I thought it was funny to of my favourite youtubers for information communication had the same last name and style of channel name.
“We gotta talk about that ride!” “Next clue to the case!!”
I was hoping to hear about cool, theoretically possible drives, like the nuclear saltwater rocket, or the fission fragment rocket.
Hi Joe like you are explaining about intermittent use of power, put the power on coast then another blast of power what about in between the periods of coasting some sort of solar sail I recall watching about the issue of using a sail to trap solar wind are power I don't know whether it's a wind or a power?, surely combining some of the ideas, and incorporate slingshot from any nearby bodies of mass for example planets moons
Joe, have you not heard of the patented inertial mass reduction device designed by doctor Salvatore Cezar Pais for the US navy? Patent No.US10144532B2. The patent office initially rejected this patent claim as unrealistic and unarchivable, that was until the Navy informed them that they have a active system under test!
The world would be a better place if everyone watched Joe Scott
Working on it, I think my inertal drive will work, works on dynamic analysis software, it can be explained with hand calcs on 2 sheets of A4, the physics and maths make sense.
I've called it the Christa Drive and no one is interested in it, so I'm working on it on my own, such is life. It's not centrifugal force like the reasoning for the dean drive, it's conservation of energy, its possible to create a delay between a force and equal and opposite force, so something can accelerate then decelerate, hence move position but have no momentum.
Another thing We can do would be to perfect Cryonics. That way,there would be no need to make a "Generation ship." The original People on bored would just undergo a vitrification process and then, centuries later, when they arrive at there destination they could be revived and just step. out onto the surface of a distant planet.
Apologies if you already covered it but what about the vasimr engine? :)
I like how Joe and Tim are now close enough buds they can have fun digs at each other.
Lazer highways are entirely within known physics and would get a spacecraft to around 0.9 c without too much difficulty. Might be a while before we have the in-orbit manufacturing to create mirrors for them though.
I don't 100% know for sure if it was ”alien,” but in 1975 my brother and I saw a sphere with long antennae protrusions that retracted into the sphere then it took off with instant acceleration to warp speed at the snap of the fingers. The whole sphere, including the three ”antennae” seemed to be totally electrically charged. After about 45 years of looking, the other day I finally found a video that is a close representation of the color of the sphere we saw, including it's electrically charged appearance.
This is just pure speculation, but I was wondering if the antennae things were a way of gathering electrical energy to travel long distances (why else would it need warp speed?).
A funny thing is a woman who was not with my brother and I when we saw the sphere was a co-employee with my brother. The next day, the woman was telling people in the office where she worked with my brother about the sphere. The employees (it was the Forest Service) were ridiculing her. My brother informed the ridiculers that he saw the UFO too, so the ridiculers stopped making fun of the woman.
I believe there may be some habitable planets with human-like intelligence much closer to Earth than we think. Of course, my opinion is based on my UFO sighting, so I could be completely wrong, but, unless I’m a brain in the vat, I’m 100% certain I saw the UFO.
I'm a big fan of an evolution of Arthur C. Clarke's third law.
An author "Karl Schroeder" said: "Any sufficiently advanced technology is indistinguishable from NATURE".
I think it's the culmination of Clark's quote, and in conjunction, it sums up even better how advanced "sufficiently advanced" could be!
Imagine if the very structure of the universe is something's technology... 😳🤯
BTW, I do subscribe to Nebula. I love it, and I would watch your videos on Nebula, but there's no comment section! Yes, RUclips is sucking the fun and life out of a great deal of my favorite creators and their creations... But half fun for me is interacting via comments!
Cheers Joe!
I still like the idea of using rail or gauss guns to launch stuff into orbit - saves a lot of energy on lifting all that fuel.
I propose using floodlights as propulsion.
I refuse to believe that the speed of light is our limit.
Even in the face of reason, knowledge, and logic I still refuse. There's too much cool stuff out there.
I still foolishly hold out hope that we'll discover something that allows us to bypass it.
I'm hardly an expert, but my understanding is that the speed of light is also the speed of causality, meaning that if we traveled somewhere faster than light we'd arrive before we departed. It's an unsolvable paradox at current technological development, but there is hope, the alcubierre(spelling?)drive creates a bubble of spacetime aeound the subject ship and moves the bubble with the ship inside, allowing us to stay within our own timeline but still travel faster than light. Cool stuff, I encourage you to look into it yourself as I probably bollocked the explanation somewhere in there.
@@levilandes1719 Unfortunately alcubierre drives still cause causality issues.
en.wikipedia.org/wiki/Alcubierre_drive#Causality_violation_and_semiclassical_instability
Things like warp drives and wormholes that get around light speed by shrinking space or creating short cuts in space are called apparent FTL. The ship never moves through space faster than light but they still wind up at their destinations faster than light due to trickery with space compression. While apparent FTL gets around the speed of light limit from relativity, it does still cause causality issues though. Causality doesn't care how you got a ship from point A to point B faster than light, it doesn't care if you did it by moving through space at FTL speeds, or by taking a short cut, it just cares that you crossed a light year in less than a year. If an alcubierre ship can take you to Alpha Centauri in less than 4 years that still counts as apparent FTL, and since it can work two way you can use it to transport information back and forth and cause causality violations.
en.wikipedia.org/wiki/Faster-than-light
@@planetfall5056 I am not a physicist. I am also pretty sure that causality is not a thing.
Einstein sort of doomed us; since there is no favored frame, and all orderings of observations represent a point of view which is valid -- there is no time. Everything in the history of the universe happened once, all at the same frozen instant -- what we see is just our particular perspective. This is a serious 'time' catastrophe. The problem is that while it seems like Einstein was wildly wrong, his predictions still keep passing every darned test we can devise.
Enter the standard model of quantum mechanics -- it cannot explain time either. It works, and passes every darn test we can devise -- but it insists that there no so such thing as 'locality'.
Modern forays into theoretical physics (trying to glue these two unruly beasts together) often try to find common ground in a 'timeless physics' -- where time, locality, causality, and other things which we have long assumed were fundamental -- all arise as emergent properties, made up of other 'more-fundamental' stuff.
When all is said and done, causality might not be a fundamental at all. We might find that the Causality Ordering Principle doesn't hold. No guarantees, of course, and the regimes for doing fancy stuff might be well outside our reach for the next century or more... but the new physics could be quite exciting.
If we manage to tap into a dimension where speed and time are irrelevant factors, then yes, we can in fact travel 'faster' than the speed of light. Whether this tech is a few decades or a few millennia into the future remains a mystery.
@@mikitz I was actually thinking of extra dimensional travel.. I think Joe touched on it but I'd love to see more on the concept. Watching theoretical 4 dimensional objects seemingly pop in and out of reality is fascinating
Joe! what about element 115?????????????????????????????
?????????????????????????????
willyou do a video exploring this??????????????
??????????????????????????
.............your awesome!!!!!!!!!!!
I second Scot Savale!!!!! Please do a video exploring element 115!!! Brah please!
@@alexrichardson567 YES! Joe element 115! will you explore this and do a video?
@@chucksavale4231 Joe element 115!
I’ll say it slowly for the people in the back. O-N-E F-I-F-T-E-E-N!!!!!!! Pwease
Eleventy-five pls
Everything has to seem impossible because if it were otherwise we would be on the path to creating it already. We need an umbrella of seemingly unconnected technologies that will eventually provide access to extremely fast then later ftl travel.
Ha! You probably got me to do curiosity stream. I’ll click on link tomorrow and check out.
Before I watch this video I am going to assume the major problem with all of these is that you will have to slow down for just as long as you speed up and both ways will take an extremely long and inhuman amount of time regardless of its almost sci fi speeds. The time it takes even as instant light speed is still inhuman. Also at near light speed over long and longer distances the lorentz effect starts to warp our position in reference to Earth that makes long travel more and more dissociative from our initial reference point.
Thanks Joe, you make mornings more tolerable!
This video is Joe Scott taking on his Isaac Arthur-lite persona.
16:45 ich whos that in a pic
Pretty sure it's Neil Breen.
The man, the myth, the legend....
Who is in the image of “a totally different species”?
No clue, but I love this guy's bizzare single-frame sight gags
en.wikipedia.org/wiki/Neil_Breen
And different species is just about right. He's a 'filmmaker', his movies are bizzare and terrible, Red Letter Media do great entertaining reviews of them.
I am here..now, with fateful findings to tell you, let the it pass trough, don't double down on this twisted pair.
Neill Breen. The statement is probably accurate.
Neil Breen
Admittedly, one of my favorite parts of the show is when I watch you struggle with your Patron’s names.
What about the "Vasimir" engine or plasma drives?
Anyone can see the TR3-B Triangular Black Anti-Gravity vehicles flying in space around our planet if you just buy a hi-quality pair of Night-Vision optics(monocular lenses) & ask for matched optics if you want to record videos of this. You can see them on both coasts of America, usually best to look after 10:00 pm to 2-3 am. Sometime you can even see a mother ship & these tr3-b craft flying in formation. Oh, & the B-2 Bomber has 5 different "drive mechanisms" on board; it is a truly amazing vehicle w/ abilities to .....Enough Said. FREE
those are jet powered
I got it! A giant bellow that uses the Co2 of the crew as mass and good ol' elbow grease to crank the beast!
I shall accept my Nobel Prize while wearing a monocle and smoking a cigar 🧐
You missed a possibility - the generational spaceship called 'EARTH''. Yea, we just stay put and have fun and wait for the universe to come to us. Crazy? No.Scholz's star came within 1 ly of Earth 70,000 years ago. Astronomers think that next star to make a pass at the solar system is coming in 1.5 million years. That's a lot of generations though.
Instead of working on going very fast to getting places within our lifespan, why not just work on some stasis device or cryo chamber that could put hums in suspended animation for the duration of the journey. You could take an 11000 year trip with 2 days worth of food and oxygen rations and to the traveler it would seem conceptually instant.
Its not a very viable option for exploration perhaps since the scientists back home would get impatient(or extinct) before the data could arrive back on earth, but its certainly an option for colonization.
Instead of prioritizing faster, fancier rockets, why doesn't NASA and Space X focus on first building the infrastructure either on the moon or in space to actually build the ships up there, fuel them and launch in microgravity with tons of fuel?
I know infrastructure projects are not glamorous, but it's the backbone to any real space flight program. Once that's built and stable, designers can turn their attention to better ships.
Could oscillating time crystals be used to make propulsion in one direction?
11:55 thT guy has an AWEDOME beard
Any technological effort to reach other worlds will never reach ahead of our future improvement in propulsion systems! Hence the best time to try is never!
Joe🤘 what is your favorite legitimate intelligent valid science mag?
Why would you build a drive that runs on exotic matter if you already have negative mass?
I've recently wondered... what about human assisted energy. Like, hear me out lol... bicycle powered electricity? Damn it man I'm not an engineer, but couldn't the astronauts generate that energy on ship and displace it out a thruster? Idk, I just took some shrooms lol
The future is bright
shine lazor on spaceshop
zoom
You know what I like you on RUclips
What about uploading our minds on a computer so you will be able to live long enough to reach the stars
You need electic up there? I'd use diesel generators like trains. Simples.
16:46 lmao the best.
Only an Enchanter can easily traverse the stars
At some point in the not too distant future a person is going to come along that sees all this in an entirely new way.... And we'll never be the same.
I predict that future humans look back at our current scientific abilities and think "Math.... Cute".
There are many fusion drives like Melicity Fusion rive
Question: I am by no means qualified to validate this idea BUT.... why would you shoot a laser at a solar sail from earth when you could put a laser on the craft itself? It seems like blowing your own Sail in this case could work because the beam omitted from the laser has not thrust, however the sail uses these photons to move forward. But if the laser does produce some small amount of thrust, could you not slowly accelerate with a laser?? Can someone smarter than me please explain this
15:00 u think i clicked on ur video with hope? lol, i dont come here for hope xD i come here to find out why were all going to die
Love the subliminal species image LOL
MEGA-drive doesnt skirt physical law. it depends on general relativity. you should read woodwards book
Dear God Joe look up Byiield brown and the electrogravitic lifters on RUclips
Sega already produced a Mega Drive
just thought of cheap power,,have a small ''fire'',in the back of ship,,keep feeding it with rp7/crc empty cans,,fk they go off.light,plenty full.&,heaps fun..
Dean drive is producing low thrust, due to masses works in two-directional movements. Maximal force gain cannot exceed half the power of the entire system energy. Practically is never equal to that value. More power can be achieved in loop rotary systems. Inertial propulsion isn't fake or paranoia, but if to consider so small financial resources predicted on entire world to make a real progress according to this propulsion method due to rocket technology improvement investments, it is no wonder that this progress is still creeping at the beginning. If to redirect those money to inertial propulsion solutions research, we could be already on Mars and have colonized entire solar system.
Hmmmm.....are you sure that Arthur C. Clark is the origin of that statement for his third law? I know I've seen something somewhere that attributed it to someone else, and IF I'm remembering correctly that person would've said it before Arthur C. Clarke was an adult, much less working on becoming an author. Still, it is something that is observably true now, as all you have to do is find a portion of the world that isn't familiar with 'modern' technology and show up with it and to them it's magic.
I forgot to add this earlier, but in many of the sci-fi settings that I've encountered that attempt to explain their 'reactionless' drives they technically aren't 'reactionless'. What it is is that the reaction they utilize isn't based on shoving matter out the backside of the drive to push the ship forward. Although I don't remember which Star Trek book I read it in (this was 20 or so years ago, so it has been a while) the author attempted to explain the Impulse Drive. In that book the very basic description of how the Impulse Drive worked is that inside the drive chamber there was a 'pellet' of matter that had a laser fired at it. This caused the pellet to give off a sub-space wave, and the ship moved by 'surfing' on that wave. As such, there is a very definite series of actions and reactions taking place, but they don't require the ship to actually eject anything out the backside to make it move, which drastically lowers the amount of fuel required but also constitutes a type of 'reactionless' drive. I've encountered descriptions for a couple of other types of 'reactionless' drives in sci-fi, and they did have a action/reaction sequence to them, just not the same type of action/reaction sequence as a rocket has.
Fart jokes Gracie? Go for the easy laugh.
Wow this is so freaking easy guys, we just need...negative mass
Hi Joe, Could you make a video on deep sleep, cryo sleep etc.
Search joe scott cyronics
Yeah he already did homie!
Came here to say what 2 people already did
The Pentagon is now officially investigating UFOs - that means ET is now coming here
He did one on cryo sleep
1 Newton = force exerted against your hand by an apple.
Well played, Joe.
I went to a farmers market that had 33 varieties of apples. I was visiting family in the Boston area. It's quite possible the market was in Newton.
Coincidence?
/Well yeah, but still.
My first thought, before even looking at the replies. :p
I just got that joke
I don't get it.
@@naungyoe3215 the story is Newton thought about gravity when an apple fell on his head. Its a popular story but its not really proven to have happened.
"Or maybe pursuing this is all just a waste of time" -- No. Not a waste of time.
A caveman decided to sharpen a stick once and that, through a chain of extremely unlikely and fortunate (or unfortunate) events, we got to discussing making warp drives in the first place. A caveman is already convinced we possess magic. And space travel, and the pursuit of it, has lead to so many innovations in just one human lifetime that our own parents have trouble keeping up. The future is built on the backs of all of these, often stupid, often fruitless pursuits. Be it an idiotic dean drive, or the first five hundred things a caveman sharpened before realizing he could stab things with it. We're getting there. Give us time.
Well said. People tend to ridicule failures, but failures guide us in the direction of success.
What an awesome comment! Thanks for sharing your view like that!
well said
Indeed. Learning, any learning, is worthwhile. Some may not pan out, sure, but how many medicines and technologies do we have because some person decided an obscure Amazon frog was of interest, or radioactive isotopes, or a myriad of other things.
@@morosis82 Or the discovery of antibiotics because someone left out a sandwich and thought to take a closer look.
"The Earth is a jealous mistress. One who does not give up easily its children."
Space 1999,,, ultima thuley
Space is a jealous king who does not readily permit intruders to his realm.
@@darrinwebber4077 Technically you are in space rn...just in a protective globe that keeps you alive
Yeah I watched the video...
Mistress. Children. Does not compute.
The electron drive: tests have been positive!
* crickets *
i on ja mon
i on ja mon
maybe we'll find a Stargate buried and skip the spacecraft.
+1 for the reference.
Or MAYBE we will find a Mass Effect Relay somewhere out in space. 😁
I mean, there's always the off chance we'll discover the blueprints to a faster than light engine encoded into the microwave background radiation. Species from the last iteration of the universe had a lot of time to work on this stuff.
@@HaveYouTriedGuillotines That would easily be the most amazing and most terrifying discovery of all time because it would simultaneously confirm that the universe is cyclical, and that we will know that we will see our own demise.
@@KRYMauL
Maybe not. Depends on the cyclical model. Just because something from the last cycle left a message doesn't mean they're gone. Could have been a contingency plan, or something done just because it could be done.
A species possessing technology that can manipulate the fabric of space may very well be able to survive the death and rebirth of the universe. Temporal stasis, pocket universes, possibly even manipulation of the vacuum itself.
Clark had a fourth law, "For every expert there is an equal and opposite expert"
Michael Spence I love it!
In some cases, it’s the same expert.
"For every 1000 experts, there is at least 1 person who is both willing to call themselves an expert and willing to oppose those experts."
Ya know this is so true in everyday life
This is a bit off topic, and I don't remember where I heard it but it makes me giggle from time to time:
"For every male action there's an equal and opposite female overreaction"
It took a few tries, but I managed to hit the one-frame image at 16:46:
\/ SPOILER \/
The legendary maker of insanely terrible movies and unbeaten champion of RLM's Best of the Worst, Neil Breen!
Cliff Smith came here to see if I was going mad
Just use . and , to scroll frame by frame. easy.
@@NuclearTopSpot Thanks!
also try setting speed to 0.25x its way easier to catch frames
breeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeen
The XLS drive is my favourite.
If you've ever been scrolling down an Excel spreadsheet and scrolled down too much you've no doubt seen extreme relativistic acceleration of the cursor. It goes fro Row 50 to like 5 million in a hundredth of a second!
Harness that and we'll be on Risa in no time!
If I remember correctly, holding down the Control key + the Down Arrow will send the cursor to either the next cell with something in it or the bottom. Back in the '90s, a small computer integration company I worked for had me use Excel to write a program for their employees to use. They didn't believe me when I said that Excel was the wrong tool for the job, that what I should have been using was a relational database. But, of course, they didn't listen. I managed to do it but it took FAR too long because I had to write custom macros which were quite involved. Ah... but another story for another day.
Hahahah, true!!
Lmfao right
"Exotic Matter" can be found in "Unobtainium"
Dude that is a high temperature superconductor.
But you can smelt vibranium to get unobtanium, you half way there!
@@RRSmurf The best source is Vibratium ore from the Island of Lesbos.
we call it Element Zero, or eezo, in 2149
Thats funny
15:00 How many technologies that we use every day would have looked like a waste of time before some revolutionary discovery was made?
Precisely!
Agreed, If we look at the advancements made in just the last 50-100yrs...just imagine the next.
We might be on the brink to a breakthrough discovery that could be a TOTAL game changer.
Man, Alcubierre’s Warp drive might one day just be an upgrade option for our ‘personal pleasure crafts’, right?!
Exoplanet paradises await!
@@Val_Halla777 I'd posit that uploading ourselves onto a computer is more likely.
Exactly. Thank goodness for us some of our greatest thinkers and innovators didn't share his bleak outlook of its JUST TOO HARD so why bother.
Fun Fact:
In America the “Mega Drive” was known as the “Genesis”
From the second he said MegaDrive I just had the Sega MegaDrive in my head. Also, it was around the same time in the early 90s too.
YOU! Klingon Bastard! You... Killed my son!
PERFECT! Then that's the way it shall be!
Had to scroll waaay too short for this one
On the entire continent??
@Thomas Chrombly
I think interstellar spacetravel is a dream. 80 thousand years to the next star with current tech.
Even lightspeed is way too slow
"Wouldn't that be a small Hadron Collider"
I'm pretty sure if you combine a "Small" and a "Large" you would get a Medium
Bro it would become a family sized
Wait, wouldn't that be a standard Haddon Collider?
@@The_Viscount Ooh, if we keep this up we'll end up with a regular hardon collider
Luke Slywalker a regular hardon collider is a gay man who frequently has sword fights
So a Small Hadron Collider would be tiny Large Hadron Collider
"Maybe a different species..."
16:46
Neil Breen
lol
Thank you, I was wondering about that.
Uh oh. You're gonna be one of the 300M he wipes out when he returns from the future.
#EyesOnBreen
8:01. Should have added the reference to Sega’s “Megadrive” aka “Genesis”. ☺️
Aye, we just need some dilithium crystals and we're all good to go!
Now a days we use mushrooms because the whole universe is connected; because to sufficiently unsophisticated writers, all technology looks like magic anyway.
Zoom zoom!
Shroom shroom!
@@carpdog42 Ah yes, the mushroom drive: For when you need to prove to an entire fanbase that, yes, even after all the ways that their favorite franchise has been abused already, it really can get worse somehow.
@@delphicdescant Well said...a bummer to see an amazing franchise dying
All you have to do is use helium and magnets and a few drops of vampire blood.
Is this a Nightlord reference?
Heffalump blood will work in a pinch
Instructions unclear: toaster is stuck in vampire
"The Earth is a jealous mistress: one who does not easily give up her children."
Teehee, humans are smol.
yesh but we are powderful
@@nmarbletoe8210 , we're cats, basically.
It would be even worse if we lived on a bigger planet.
... but better if we lived on a bigger spin-grav station, use the force in our favor.
yeah, only truly ungrateful people said that, they don't deserve 24/7 free oxygen
Great video Joe, but I'm surprised you didn't discuss the Infinite Improbability Drive... :-)
Or the trusty Flux Capacitor.
What about the bistromath!?!
So noble of Xenon not to react with stuff.
Meh, the Asgardians are gonna give us hyperspace engines any day now.
Any day.
Who r asgardians sir??
Yep Jack and the team will sort it
@@aimgoal2453 Now I feel old...
Actually the Asgardians didn't give us hyperspace engines. We duplicated Goa'uld technology ourselves and use naquadria to power it. They did give us intergalactic hyperdrive engines so we could go to Atlantis through.
@@DavidKnowles0 Ah, a fellow intellectual. How nice to meet you.
You are, of course, right. I was being facetious. :D
Hey joe, love your show! Special request: would you do an update on the flint water crisis? What efforts, if any, are being made.
I traveled almost 21 minutes into the future while I watched this.
Steven Moore if he watched it again he’ll have traveled back in time
The aliens in the movie Independence Day are actually sentient beings that have been on generation ships for hundreds of thousands of years. By the time they arrive anywhere, they are so desperate for supplies, they just take what they need without concern for indigenous life. Essentially, they have evolved into galactic locusts.
I find this theory the most plausible of all first contact scenarios.
Possibly, however the premise of the destruction of life to get resources from a resource poor environment and possibly losing your own lives doesn’t make any sense. They compare man to ants against a advanced civilization like that purposed in Independence Day, however ants can still cause a lot of damage. Again for what? A resource poor plant? Not likely, more likely go after resource rich asteroids, moons, and other astronomical bodies that won’t have indigenous life to put up any kind of resistance.
@@randenrichards5461 It takes so long to get to a destination that you have to acquire the necessary resources when you arrive regardless of the cost, or die. It makes perfect sense.
@@Lord.Kiltridge An advanced species should be able to invent recycling. That's not 100% efficient so they will need resupply. However, are there any elements on Earth not found in asteroids?
.
Surely they would have plenty of energy to make things from basic elements. However, they might be really really bored... when they get to earth they'd hit the casinos and beaches hard.
You mean district 9?
They're basically odd-looking humans, and we're the aborigines.
"Things are only impossible until they are not."
Where can I get some of this Negative Mass. I really need to lose weight but I ain't gonna Diet.
Travel to another planet with Negative mass, where you can anhialate to begin again!
Some day there will be trillion dollar industry weight loss/health spas on the moon and Mars!! "Lose weight without dieting"! Plus free, all you can eat, Moon Pies and Mars Bars for everyone!!" :D
At 1G constant acceleration we can get anywhere in the universe in 12 years. Because relativity... That's what the traveller's would experience. Tens of thousands of years would pass on Earth... so yeah... There was video showing the math...
Alejandro Tkaczevski damn, I have been using my allotted 1G of acceleration upside down this whole time...
Unfortunately, as far as we currently understand physics, that's impossible for any object with mass. As you approach the speed of light, the amount of energy required to accelerate a mass approaches infinity as an asymptotic limit.
@@cliffsmith23 That's where time dilation comes into play. Because time contracts at high velocities, so does space, which makes the distances and times involved smaller for you, who is travelling at these speeds. While on Earth, the distance for your ship is, let's say, 4LY, and the journey takes maybe 100 years, for your ship, space and time has contracted, flattened in your vector of motion. Which means that for you, the distance was only maybe .01LY and it took only a week or two. Both are correct - you experienced a week, Earth experienced a century. Relativity is whack.
ruclips.net/video/GgpVe2G9ByE/видео.html
Here is the calculator spacetravel.simhub.online/spacetravel.php
I'm pretty sure "they" "officially" debunked the EM Drive at some point last year. It turned out that the "force" at work was the super weak electromagnetic interaction between the Earth's magnetic field and the electronics onboard the EM Drive. I would usually dig deep to link to the study which debunked it... but that's a lot of work for something that... doesn't. =)
As for the Helical Drive, and the Alcubierre Drive, they may have more basis in reality. Obviously, the "oscillation" part of the Helical Drive is a bit silly, as is the requirement for "exotic matter" part of the Alcubierre Drive.
However, particle accelerators don't NEED to be the size of the LHC; in fact, the Ion Drive is a type of particle accelerator. Also, we CAN "warp" spacetime with powerful laser light (although, something along those lines may be what is meant by the "exotic electromagnetic field generators," since light is just a wave in the electromagnetic spectrum.) We might also be able to "warp" spacetime with the mass "acquired" by particles accelerated to near light speed using a particle accelerator. I don't pretend to know the practical requirements of either form of "warping" spacetime in either of those cases, and it may well be that both are impractical at best, but it does seem to me that we have both observed the warping of spacetime with the gravitational wave observations which have been made, we have gotten pretty good at accelerating particles, and we might possibly be able to warp spacetime with electromagnetism in a way that becomes "practical" for "transportation."
All that being said, 2020 has been a rough year, and I'd settle for anything that would "slow things down" so that "We" as a species could maybe recover our balance a bit and hopefully start making some forward momentum again. That too, seems pretty "far fetched." =/
Sadly, the Alcubierre drive requires two different kinds of warping of spacetime. In front of the vessel, you need the normal kind of warping that "compresses" spacetime in front of it, just like gravity does. This we can do. Don't get me wrong, it's enormously non-trivial at those scales, but it is essentially an engineering problem, not a science problem.
But at the _back_ of the spacecraft you need _negative_ warping of spacetime that _stretches_ it. This would require exotic energy or exotic matter with negative mass... and it would require a _lot_ of it.
Putting aside that we have zero evidence that such exotic material exists (Dark Energy is subtly different and not useful for this purpose as far as we know), last I heard, with improved calculations and layout of the warp fields, we've got it down to the point where we "only" need approximately one Jupiter-mass of exotic matter to create the equivalent of Zephram Cochrane's prototype warp drive. There's also the small problem of the prediction that as one travels at supra-light speeds using the Alcubierre drive, one would accumulate insanely high-energy particles in the field that, upon deceleration to sub-light speeds, could potentially release enough energy to disrupt a planet. _Probably_ not a star, but still...
So yeah... even if it ends up not violating the laws of physics (which it probably does), it requires obscene amounts of exotic energy/matter and may or may not completely obliterate your destination upon arrival. Fun! Or... something-something-handwave-primary-warp-coils-antimatter-reactor-warp-plasma-subspace-manifold-hrrmmrphrhm...
@@barefootalien SOOOOOO interesting about the accumulative, destructive energy theory. I think I may have heard of it a little once before, but that truly is a major concern.
As for stretching back spacetime behind a craft using the Alcubierre drive, I'm not sure if you saw the whole video, but Joe mentioned that some people (experts? No idea) believe that spacetime behind the craft would snap back to normal on its own without the need for the drive to use power to reverse the frontal effects... But who knows, it's all theoretical at best at this stage... 🤔
@@Aquascape_Dreaming I did see that after I posted. And that the negative energy needed is down to just a few tons worth!
I question how space is meant to "spring back" asymmetrically though, without the stretching field behind to cause it. I've also never heard a good explanation for what happens orthogonal to the direction of travel... Spacetime is essentially the stiffest "substance" known, which is why gravitational waves are so tiny in spite of the enormous energies they carry. I may very well be going too far with the "fabric" analogy, but... If it has any analog to shear strength at all, I'd think that would directly resist the motion of a "warp bubble". Either that or the field would have to be extremely "wide", enough for that shear strength to dissipate naturally.
@Bret Richter Well, that's a common "pop-sci" explanation of aerodynamic lift, and there is _some_ truth to it... But if that was all there was to it, how would an airfoil fly upside down? Or how would a symmetrical airfoil produce any lift at all? How would a paper airplane fly?
Anyway, I'm drifting off subject, heh, just some food for thought for ya. ;) (I can explain if you're interested.)
But with regard to the subject at hand, the trouble is that air has basically zero shear strength. In the dimensions in which we have data on it (compression/tension specifically, as gravitational waves are longitudinal, like sound waves), spacetime is the stiffest thing we know of. I don't recall the exact numbers off the top of my head, but it's something like billions of times as stiff and unyielding as steel or any other material. So it seems likely that it's shear strength would be comparable and I've not seen anyone account for that in a presentation on an Alcubierre drive, that's all.
In order for your air bubble analogy to work, the warp field would need to create a region of some medium _other_ than spacetime. Say... "Subspace" which is exactly how Star Trek gets around it. But the Alcubierre drive, as far as I'm aware, purports to simply create regions of compressed and expanded spacetime for and aft, leaving the interior spacetime unchanged. This, to my understanding, would not be like flying through air or like a bubble ascending in water, but more like trying to drag one region of steel through a steel plate. This is _possible_ of course; it's called stir welding and is used by ULA in their Delta rockets... But it takes orders of magnitude more power than flying through air. I'm just wondering if that is accounted for.
I suppose I could read some of the papers on it...
Interesting, you got any sources for this?
Some of it sounds reasonable, other parts are kind of questionable.
Hi Joe, in 20 years of listening to speakers (including myself) justify human piloted space exploration, I have never seen a better, more succinct argument than the one you made in a record 8 seconds. This video was a great snapshot of the field, and also very respectful of both the practitioners and the naysayers. Well done sir! PS Mr. Agnew is going to be thrilled to be featured here if he isn't already aware of the video. :)
"We brake for no one "
Space Ball One Its gone to plaid!
Great video and very interesting topic. I hope we achieve interstellar travel this century. I recently wrote a paper proposing a type of interstellar spacecraft called Solar One (0.3c). I believe the more research we do and resources we spend, the sooner we will achieve interstellar travel.
I hope we survive this century
As much as it sounds like cliche at this point, only Elon Musk can help on this. Governments are too busy trying to implant communism in the western world to be worried about space.
@@MR3DDev wtf?
@@MR3DDev "trying to implant communism in the western world" - please describe what specific changes you are referring to?
@@MR3DDev Go communism yaaaaay! No they're not. Your government is trying to install socialism because most of you are unable to take care of yourselves. When it comes to taking care of each other...You won't do it. So what choice does your goverment have?
Commenting in every Joe Scott video until he agrees to fight me. Day 1.
So it begins.
there are better ways to deal with a need for attention, buddy
Is it going to be like Peter Griffin vs Liam Neeson?
Hey Tycho, you share a name with a man that punched the devil. Let people pick the fights they want xD
We will watch your career with great interest.
Maybe in the future they will look back at our time period as the second Dark Age.
A time in which mankind befuddled himself with complicated theories and maths.
A time before the great enlightening of the Cosmic Spiritual Intelligen-essence.
A time of ... nah!
I think interstellar spacetravel is a dream. 80 thousand years to the next star with current tech.
alphatrion100 I think one day we will get there. Not anytime soon tho. Just think of how much progress we’ve made in 100 years, if we keep advancing I feel like we will get there.
@@HaHa-ry4fwit requires a vehicle significantly FASTER than light.
Thats seems far fetched too me.
But say its possible because of 500 years of advancements:
You think we even still exist in 500 years?
@@HaHa-ry4fw Right now we dont even have a vehicle that can bring us to the moon.
alphatrion100 tbh idk... We might end up destroying ourselves. But it’s fun to think that one day we might be in other solar systems.
How about a sequel: Drives that should fly in the next decade.
If my Battletech lore taught me anything, the Kearny-Fuchida Drive (K-F Drive for short) is being theorized right around now :)
I made a reactionless drive in my garage. Here it is, next to my perpetual motion machine. Science rules!
A bit surprised you didn't mention the horizon drive, as predicted by the quantised inertia theory (as you previously had an episode about that). They are doing experiments with that, and apparently the early results seems at least promising.