Does a Vacuum Chamber Weigh Less Under Vacuum?-Mind Blown!

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In this video I weigh the vacuum chamber when it is under vacuum to see if it weighs less without air in it. Then I weigh the chamber with pressure in it. Then, I see if objects in the vacuum chamber change weight when there is no air in the chamber! This was such a fun video to to make! I knew what would happen but it was so neat to see it in real life!
WARNING:
This video is for entertainment purposes only. If you use the information from this video for your own projects then you assume complete responsibility for the results.
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29 сен 2024

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Комментарии : 835

@Priyanshusinghal100 6 лет назад

The Action squad

@Curryskie 6 лет назад

Priyanshu Singhal This is exactly what I was going to type.

@sgt.johnson6288 6 лет назад

Priyanshu Singhal no

@harshityashwardhan 6 лет назад

Priyanshu Singhal plssssss this name is awesome

@secret3518 6 лет назад

This one is good

@abdusalomabdukayumov8640 3 года назад

So it’s been 3 years. Has he decided yet or?

@willparry 6 лет назад

You should call the people who watch your channel "viewers", it's perfect!

@SteelSmoker 3 года назад

Exactly

@NothingPicksLocks 3 года назад

Lol

@eklhaft4531 2 года назад

Except me. I am a stalker. Also why did I not see this video 4 years ago? I deffinitely was a subscriber back then.

@TimpBizkit 6 лет назад

The balloon kept floating for quite a while but expanded to compensate. I'm surprised it didn't burst sooner actually although technically it didn't have to withstand 1 atmosphere of pressure because the helium expanded too. When measuring the density of gas it's good to take in account the pressure because the helium will continue to float if it is allowed to expand to the pressure of the surrounding air. It would be interesting to try with a substance that to a certain extent did not allow expansion and contraction. It would be interesting to see if aerogel floats in several atmospheres of pressure, assuming it is not porous and allowing the air to come in and equalise the pressure. Maybe try argon too to see if you can float a piece of aerogel.

@wesbaumguardner8829 4 года назад

That's amazing how you un-poured that water back into that glass!! :-)

@DANGJOS 6 лет назад

My guess is that the weight dropped fast initially due to the air rushing out of the container. It likely created an upward force. Because really, the drop in weight should have been linear with the remaining pressure, but there are many different variables.

@TheActionLab 6 лет назад

+DANG JOS Well it’s only linear for an ideal gas I believe, But it should’ve been close

@DANGJOS 6 лет назад

The Action Lab True, although air should only be non-ideal if it's extremely humid, I believe

@whereswa11y 6 лет назад

The Action Lab- Love your work. Debating a flattie, I know I shouldn't, but it is fun until it isnt. Do you have a video where you weigh a mass inside the chamber, to compare weight with air and in vacuum? Does the air medium change the weight? Or the direction of gravity.

@juniorqindes8335 2 года назад

When will they learn that The earth isn’t flat? It’s cylindrical.

@DANGJOS 6 лет назад

+The Action Lab There's something I've always wondered. The buoyant force is created by the difference in pressure at the top of the container vs the bottom. So this means that, if you have a box with a perfectly flat bottom, theoretically the buoyant force would actually be *down* rather than up! This is because there can be no air pressure underneath it as it lays flat on the ground. But that got me thinking. The bottom of the box isn't perfectly flat, so there must be some air trapped underneath. So there must be some limiting factor that says how much pressure a small amount of confined air can exert, and I wonder what that is. I don't know if you understand what I'm saying or not

@TheActionLab 6 лет назад

+DANG JOS Well that’s essentially what a suction cup is doing isn’t it? You are removing all of the air (or whatever it’s in, water if it’s in a liquid). And if there are absolutely no particles Andrea then it is a complete vacuum with no pressure so the buoyant force is down as you say because the pressure above it is pushing it down

@DANGJOS 6 лет назад

The Action Lab Yes true. Although I wonder how much the pressure will drop as air is confined to an extremely small volume. I plan to ask a professor this as well

@stephinkoshyskj 6 лет назад

Good explanation at the last section :)

@rachysnip 6 лет назад

I agree with either Lab Rats or Actioneers, either are good!

@felpex1495 6 лет назад

Can you please test a tiny rocket in the vaccum chamber, pls. Good vídeo by the way.

@nessaarianna14 6 лет назад

1. Lab Squad 2. Actioneers 4. Vac Pack 5. Lab Rats

@BillyF2LJeffs 6 лет назад

6:22 It seems that you had a psychic moment and knew that the balloon was about to burst! haha. I assume there is a slight audio/video delay?

@vjbhrt 6 лет назад

Nice informatic video again. You could have also proved the density of air at your place by dividing that 25gm air with volume of your vacuum chamber. Suggession for naming us - Labsters !

@MBasaar 6 лет назад

does the weight of stuff decrease inside a vacuum? put a scale and vacuum for calibration then put some mass over it and vacuum lets see whether weight changes

@jhudson9862 6 лет назад

If sunlight is warmer than sunshade, and moonlight is colder than moonshade (which Ive recently learned by watching experiments on youtube, like what you do.), how would the temperature of a vacuum be affected by moonlight or moonshade?

@Celler2 2 года назад

Would a water evaporate in the VC ? If place a vessel with some water with a heat source would the water leave the vessel via “steam” ?

@TomFaical 6 лет назад

What happens if you put the vaccum chamber (at full vaccum) in a high pressurized chamber?

@androidforce6591 6 лет назад

Vacuum Heads ' Back benchers ' or school dropouts are good options

@SouthwesternEagle 6 лет назад

This was a great experiment!! :)

@smhaseeb 6 лет назад

*Please fill any light object with helium(Not a balloon)*

@abdulrahimkhan9285 6 лет назад

Condom?

@stephenmauro1770 Год назад

a boat floats on water, a foil boat floats on gas. What would it take to float a ship on the earth's atmosphere?

@SwapPartLLC 2 года назад

I'm not sure I agree with the helium balloon. A helium balloon floats because it is lighter than the air it's in. So, did the balloon drop because it got heavier, or was it because there was no air for it to float in?

@haroonkhalid57 6 лет назад

in this way can we measure the density of air like (mass of air [as your result 25])/volume of vacuum chamber

@rileymcmead 3 года назад

The thumbnail should say "is air heavy" because space has no mass

@JimGriffOne 6 лет назад

Less mass *occupying the same volume* = lighter weight. In theory... Still watching. :) EDIT: Could _some_ of the measured reduction in the weight be caused by the contraction of the tube connecting to the vacuum pump? It would be great to measure before/after with the tubes disconnected in both circumstances. Just a thought! :)

@TheActionLab 6 лет назад

The tube can affect it as I saw with the pressure chamber. But it would actually make it heavier if it pulled on it (it would have pulled it down). The vacuum tubes are very sturdy and do not contract, but the pressure tubing is coiled and it did contract, that is why it wasn't as clear with that one.

@MarkoHR 6 лет назад

thats sick

@ZeroBlue808 6 лет назад

Lab rats

@CUBETechie 5 лет назад

You need an very sensitive scale

@mikael9714 6 лет назад

My idea is the labsters 💆🏻‍♂️🦌👏🏻

@whyueatsalad3349 5 лет назад

why when you have a helium balloon and turn it upside down it wont float upside down instead... like it's swingin back to normal position (not upside down)

@andietheviolist9177 5 лет назад

Call us “Da Action Lab Ratz!”

@GregoryMcCarthy123 6 лет назад

The Action Seekers

@JonahByington 6 лет назад

The Actioneers

@xXDK2Xx 6 лет назад

he remove water like magic xD

@MammaOVlogs 6 лет назад

wow so that is one way to lose weight :) Way ( or weigh ) cool lol l feel heavy when l step out of a swimming pool, now l know why! Call us your Smartees

@connorcriss 6 лет назад

Momma O I think it's more because of the weight of the water that's still on you than the difference between air and water weight.

@neurofiedyamato8763 6 лет назад

Most of the weight increase is from soaked clothes. Drench a T-shirt and pants and it feels no where near as heavy as when you come out of a pool. You just got used to the weight in water so when you get out the less buoyant air suddenly make you feel heavy. Yes the wet clothes do add a bit of weight but it isn't the major contribution to the feeling of heaviness.

@AndrewAce. 6 лет назад

It's like he said; You're more buoyant in water meaning gravity doesn't effect you quite as much. After you've adjusted and then left the water however, you'll feel the full effect of gravity once more and feel heavier in contrast...

@neurofiedyamato8763 6 лет назад

You can easily prove it's not mere weight of water on wet clothing. get a pair of pants and shirt. Then drench it in water. Wear it or carry it whatever, it doesn't feel nearly as heavy as coming out of a pool. Also, I know what you are trying to say, but the phrasing can lead to misunderstanding. Gravity affects you as much as out of water. The difference is that some of its downward force is canceled out by a upward buoyant force. The forces are still there so it still affects you. For gravity to affect you less, you need to be farther away from an object with mass. Same result, I know I'm being pedantic but I felt like it should be something to be cleared up. Some people might misunderstand.

@AndrewAce. 6 лет назад

*Neurofied Yamato* Yes, that's what I meant. Thanks... To be more accurate: 1) The buoyant force opposing the force of gravity on your body makes you feel lighter. 2) Once you've been submerged long enough your body adjusts to this feeling. 3) After you've left the water, it takes time to readjust to supporting the full weight of your body.

@SamiraGonzalez 6 лет назад

Recently found your videos and I LOVE them. This is the kind of science that intrigues me. I definitely subscribed.

@fidelty2427 3 года назад

Yeah unlike the Big Bang. Please demonstrate that.

@lank_asif 6 лет назад

The Lab Rats

@whitneyholeworth9649 6 лет назад

not gonna lie this was my thoughts exactly

@pedsay 6 лет назад

Yup. I was gonna way the same thing

@A_a_ron_4_RC 6 лет назад

I was thinking that but since you said it then sure ill vote.

@mattwedd2511 6 лет назад

Completely forgot that one. It's still real good

@jetnut89 6 лет назад

I'm sorry did he ask for a name for his rock band or his viewers?

@troseberry91585 6 лет назад

How about The Lab Rats? Or Actioneers?

@lank_asif 6 лет назад

Tim Roseberry LOL I said the same thing!!!

@gabrielrader8921 6 лет назад

lol I thought actioneers for a bit too but lab rats is better

@TheGolem105 6 лет назад

Actioneers

@nedaddy1 6 лет назад

That was my thought too

@BahreahTheAll-Knower 5 лет назад

Labeers :D

@MIKENTULINI 6 лет назад

Actioneers ActionMen ScienceTeam WellPreservedMeat (because we love vacuum videos)

@Amira_Phoenix 3 года назад

How about Action Lab Rats? He does have two of them.

@azzshaikh 3 года назад

@@Amira_Phoenix That is true.

@wildboy46_ 6 лет назад

Since water flows slower out of a bottle than you think due to it being a small vacuum in the bottle and the pressure outside pushing some of the water back into the bottle, does water flow faster in a vacuum chamber? I know it'll be a little hard to do it in the chamber.

@limcheehean 6 лет назад

WildBoy46 I like this idea

@Psychodegu 6 лет назад

water doesn't flow out of a bottle in a vacuum it evaporates.

@pedroff_1 6 лет назад

Psychodegu actually, I think it simply boils; of course, result is the same.

@nanonini 6 лет назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-5qfxye-pXcA.html His recent video if you haven't watched :) It travel faster but seems like steam turns into "flying" water

@JesusisJesus 6 лет назад

This makes you wonder if the "21 grams" that a human soul is supposed to weigh, is actually just the weight of the air from the person's dying breath.

@LOTRFAN33 6 лет назад

Jesus Good question.

@keepyourshoesathedoor 6 лет назад

Jesus You should know lol

@WafflosityX 6 лет назад

Jesus you're like an ancient philosopher.

@kolosdratos1889 6 лет назад

Yeah, lets weigh a suffocating person

@pietrayday9915 6 лет назад

Thanks, Jesus - what a cool question, I've never heard of the "21 grams" thing before! Alas, the Christian doctor who conducted the experiment, Dr. Duncan MacDougall, actually ruled that possibility out, by conducting a test in which a living subject laid on the scale used in his experiments, and then exhaled and inhaled air. The air did not make any difference (and it should be noted that the exhalation of air from a corpse does not result in a vacuum inside the body, anyway.) Which leads to the curious matter of what, exactly, did account for the 21 grams in the experiment? The good doctor took care to perform the same experiment on both dogs and humans, and found that humans lost the ~21 grams of weight shortly after death, and the dogs didn't. MacDougall concluded, based on Christian philosophy, that the explanation must surely be that humans, of course, have souls, but dogs do not. But, the difference in results between humans and dogs might be the key to the explanation: when under exertion, such as running, playing, or fighting a hopeless fight for life in their dying moments, dogs pant - they can't sweat. Humans, on the other hand, can sweat, and the subjects of the experiment - suffering in their dying moments from tuberculosis, diabetes, and other ailments that might have produced copious sweating in a dying patient - likely did sweat. Sweat soaks into the hospital garments worn by the dying subjects, wicks through the fabric against the atmosphere, and evaporates. Modern researchers conclude that 21 grams of evaporated sweat might have easily have been lost by patients in the time during and following their death. Thus, evaporation of the patients' sweat is today the most popular and generous theory for the results that MacDougall measured. MacDougall's contemporaries and other critics have less kindly charged MacDougall with just plain bad science in the form of flawed experimental condition and poor sample size, or even accused him of deliberate fraud in the name of sensationalism! As near as I can tell, though, MacDougall conducted his experiments in good faith, and did his best to try to eliminate as many variables as he could, even if he might have reached the wrong conclusion, though it's only fair to note that nobody since has really made much effort to replicate the experiment since to see if the sweat theory actually holds up, or whether more extensive tests under more controlled conditions would still yield the same results MacDougall reported. Anyway, it's a curious question, and one I enjoyed researching the answer to a great deal! The easy answer is, "No, the scientist who concluded that the 21 grams must be the human soul actually ruled out the possibility that breath might account for the difference in weight!" The more difficult answer is, "No: it's probably not 21 grams worth of human breath, and probably not a human soul, either, but the experiment was flawed, it's never been conducted again under more controlled scientific conditions, and for now, it's anyone's guess what MacDougall actually measured!" Which is OK with me - I don't mind a good unanswerable mystery from time to time :)

@MochaTater 6 лет назад

Maybe call them "Labsters"

@draygoes 6 лет назад

The Action Lab Ok, so this is a gross one, but I think its a fair question. What happens to a fish (Please make sure its dead...) when you put it under vacuum?

@ProPlayer-wq3nu 6 лет назад

What kind of question is that The fish will turn into a turtle it's simple physics not some rocket science

@draygoes 6 лет назад

We could always see if a cow will become cheese. (I just wanna see a cow become cheese)

@ProPlayer-wq3nu 6 лет назад

Draygoes Milk becomes cheese not the cow The cow becomes burger or a CHEESEburger

@draygoes 6 лет назад

You win this time. Top kek good sir.

@ProPlayer-wq3nu 6 лет назад

Draygoes Kek sir sportaflop does backflip now

@EASTSIDEDELI 2 года назад

buddy, your enthusiasm is enticing. Never stop learning!

@pedsay 6 лет назад

I would be okay with lab rats. Or action lab rats. Or action rats. My only concern would be for new viewers. How would they feel about being called rats in their first viewing experience? lol

@kavinprasadm7320 6 лет назад

This video is awesome as always. I suggest we call ourselves "The Curious crew" Also the reverse effect is cool dude. Do it more often

@gogo311 6 лет назад

Action Lab Rats

@arthemis1039 6 лет назад

The Lab Rats :)

@neil758 6 лет назад

The Vac Pack

@KomradeKD 6 лет назад

Lab Rats immediately came to mind, and I see that several others had the same idea.

@wolfberzerker9422 6 лет назад

Lab Rats.

@mahnemjeff7074 6 лет назад

Try to blend polyethelyne glycol and see if it keeps its molecular chain . -Jeff

@eddyrios4499 6 лет назад

Put a vacuum chamber inside a vacuum chamber

@mrtuvok5578 6 лет назад

Eddy Rios he can't

@eddyrios4499 6 лет назад

Ian Hamner with the right tools he can

@jd_kreeper2799 6 лет назад

And have the vacuum chamber active inside with a hole on top covered in duct tape for the hose

@Ktulu789 4 года назад

Hey James! I would go with "Experimenters". 2017... I doubt you chose any yet. I doubt people would like being called rats. Maybe another option could be "Active scientists". Many of us are curious about science... Why not "Inquisitive Labbies"? Or just "Labbies"? I luv Labbies! 😍❤️

@viko207 6 лет назад

Lab rats is a good one

@amritranjan987 4 года назад

This is one of my best experimenting youtube channel. Thank you action lab for giving knowledge through ur experiments. I have learnt a lot from u. Love u so much❤️❤️❤️

@NicleT 4 года назад

When I go to fill my propane tank, the guy put it on a scale and I’m paying number of grams loaded. All gases have their own mass. This video show it so well.

@un_civilized 6 лет назад

The viewers

@frax119 6 лет назад

UN civilized love it

@TheNocturnalAlchemist 6 лет назад

Pretty cool experiment

@tf_jorge2133 6 лет назад

ACTION RATS !!!!!!!!!!!!!!!!!!!!!!!!!

@Doramius 6 лет назад

I've seen some other good selections, but I also thought "Actioneers" would be good. 'Action' combined with 'Pioneer'.

@ProPlayer-wq3nu 6 лет назад

Will you do more hydraulic videos? It's been long time since you did one

@TheActionLab 6 лет назад

+Pro Player 1⃣ Nobody watches them anymore...

@ProPlayer-wq3nu 6 лет назад

The Action Lab Oh it was 2016sh stuff I see I think people put acid on stuff right now Will you try it?

@TheActionLab 6 лет назад

yes, what do you want to see on acid?

@MIKENTULINI 6 лет назад

you on acid will get the most views

@ProPlayer-wq3nu 6 лет назад

The Action Lab Dead rat oh wait it's animal abuse even the rat is already dead I see, stay with the vacuum camber

@KeiJeii 6 лет назад

The Action Nerds

@matthewwelch1537 4 года назад

Hey! You could have used this as an opportunity to teach Boyle's law, which can explain why most of the mass of the air was already gone by the time you were at half an atmosphere. A lot of people would expect only half the mass to be gone at half an atmosphere!

@joshscritchfield693 6 лет назад

Lab rats

@jebolandutawacana 6 лет назад

I like it. Lol.

@smitapatra5748 6 лет назад

To much Disney

@mennnzz 6 лет назад

@The Action Lab I wonder what happens when you put hot water (already boiling) into a vacuum chamber with a thermometer?

@georgeknowles8762 6 лет назад

Brad McGashette Boiling water in a vacuum. As the pressure reduces, the water will "flash off" as steam. The temperature will also drop because of the latent heat of evaporation (in reverse) has taken energy away from the liquid water. Boil a kettle in Denver (mile high) and it will boil at a lower temperature than on the coast. An observable, tabulated, and theoretically verified phenomenom used millions of times by engineers on a daily basis. To increase boiling point, increase pressure. Again, easily verified with the use of a domestic pressure cooker. Not used domestically much nowadays, but it has 3 different pressure settings, achieved by 3 different weights on a needle valve, 5, 10, and 15 psi. Put some stew in a pressure cooker and bring it to the boil, but don't take the lid off until you reduce the pressure slowly by removing the weighted needle valve. You will be cleaning stew from the kitchen ceiling for days after you've left hospital, where you were admitted after receiving 3rd degree scalds to your hands and face. I think pressure cookers are still used in commercial applications. Just checked online- domestic pressure cookers are still sold. We just don't use it in our kitchen now. I'll have to check with friends and family to see if anyone else uses one. Maybe modern ones have a safety feature to prevent lid removal under pressure. The cheap domestic pressure cooker also demonstrates how easy it is to make a pressure vessel to withstand 15psi, as in a spacecraft, suitable for use in the near vacuum of space. In this case, it's air instead of stew.

@IneedsubscriberswithnoVideo 6 лет назад

Does water weigh less in a vacuum chamber?

@georgeknowles8762 6 лет назад

LOGANG FOR LIFE "Does water weigh less in a vacuum chamber". No. Still the same amount of mass, although some will be steam or water vapour. It would be a difficult experiment to carry out, I think. You would have to account for how much mass of air you pumped out to create the vacuum. You might extract some water vapour too, so that would skew the results.

@Robert19951213 6 лет назад

😂😂😂 does he remind anyone else of butthead, from beavis and butthead 😂😂😂"uhuhuhu, thats cool uhuhu"

@alfakennywon 3 года назад

LMAO yes every time I hear that laugh

@andrewbelajac 6 лет назад

Action Lab Partners

@Jeru3 6 лет назад

When you know how these will turn out, but watch anyway since it's good to really hammer down these fundamental s.

@matiKRK 6 лет назад

It's obvious it does. Why the fuck do I watch it?

@antdavisonNZ 7 месяцев назад

patent US11027816 describes how Los Alamos National Laboratory achieved an air-buoyant vacuum chamber, ie aircraft, the structure of the chamber is made from a very strong aerogel analog

@kenborchardt8675 6 лет назад

Should call your viewers "Steve".

@yojgee 6 лет назад

I thought it was a common knowledge. :/

@GamerNerdess 6 лет назад

Jack Graybird Most people don’t do any researching or learning anymore so most things you think should be common knowledge or common sense isn’t anymore. It’s really sad.

@christopherhayes5024 6 лет назад

The labrogators

@naughtyboy1135 4 года назад

Sound can't travel through vaccum right? Then how the balloon pop sound came out 6:21

@wafeesohon4357 4 года назад

Good question.answer because the balloon hit the side of the chamber so sound traveled through the glass of the chamber(sound can travel through water,solid substances,air)

@naughtyboy1135 4 года назад

@@wafeesohon4357 ohhhh! Right 🖒🖒🖒

@MiAeron 6 лет назад

Woah. Now i am thinking. What if you put a fish in vacuum chamber with water. i mean water boils without heating ( and now i am curious about the heat of water. You can add a thermometer. i think the heat of water could be decrease just a tiny bit. ) but air in the water left it. And fish still can breathe in water?

@xerwatzyl 6 лет назад

Can you put a vacuum in a balloon and let it fly?

@notimportant8329 6 лет назад

I think THE ACTION LAB sounds just fine. But you may want to call your channel THE SCIENCE IN ACTION LAB since you put scientific projects into action in your lab for us to observe and explain why it happens in scientific ways.

@handsoflight3765 10 месяцев назад

Highly compressed chamber within vacuum chamber and vacuum chamber within highly compressed chamber. May be the key to efficient energy storage.

@ashishraval7879 6 лет назад

Put orange in vaccume chamber...

@leonardphilippgaffke2490 6 лет назад

The Action Lab great Job. But I have a question. What will happen, if you use a Plasmaglobe inside your vacuum chamber? Will the Lightnings came through the glass Globe? And if not, what will happen if you remove the Glassglobe and use the inner Anode without the Glassglobe? Will it produce Plasma Lightings inside your vacuum chamber if you reach a nearly Vakuum? Please Let's Find Out together by trying it.

@wanchufri 4 года назад

Hi Action Lab. Could you try to demonstrate that sound does not propagate in vacum space? It should be an objetct not in contact with the chamber walls, that vibrates or emits any kind of sound. Regards from Spain!!

@hakalabakala1356 6 лет назад

Lab rats Idk what it means i just want to get pinned

@Jack_sosa_daniels 6 лет назад

Snow in a Vacuum Chamber? Please try.

@unicusDOTcom 6 лет назад

Not surprising when I use to weld the new tanks were heavy, but the empty tanks of O2 and gas were lighter.

@SeanHollingsworth 6 лет назад

Imagine making a balloon that is a vacuum. . . Of course it'd be just a vacuum chamber. It's all about displacing atmosphere. Our atmosphere is a very crushing force; that is exploited very well with hydrogen and helium.

@good_mourning 5 лет назад

We don't need some squad or pack name like every other RU-vid channel, just call us (your viewers) what we are, YOUR STUDENTS. I'm sure I'm not alone here when I say you are the teacher I wish I had in school and when I tune in to watch one of your videos, I tune in to learn, to be taught something new in exciting and fun experiments, I tune in to come to class; so I already consider myself a student here and whether others will agree, they too are basically your students and are also here to learn. You obviously have a thing for teaching or else why would you have such a channel as this one. Call us your students, LIKE IF YOU AGREE!

@Rachie-nj3oi 2 года назад

Hi can you tell me the dimensions of the vacuum please and if this was the same vacuum you used when you opened it underwater?

@frankristiantopic8296 3 года назад

Somebody already wrote it in the comments and I really liked it: "the curious crew", or "Curious ones" is good too. I think it would be cool: "Hello curious ones, today we're going to do this and that...tay tuned" :) You have videos we are all really curious about so we like to see what's going to happen, hence the name :D

@estbn782 6 лет назад

I see in comments "lab rats", why rats? rats are often used as subject of experiment. we see, we learn, we have fun, we are more like students. it could be something like "T.A.L.ers" The Action Lab or Scientubers.

@jakykong 6 лет назад

"Not in orbit but just in space so you still have gravity" Not to be too much of a pedant, but in orbit you do still have gravity - it just happens that the acceleration due to gravity pulls you toward the earth just as fast as your velocity causes earth to recede. Orbiting objects are simply in freefall. (Of course a scale can't work in freefall, as it relies on the normal force...) Otherwise, awesome demonstration! :)

@BerserkeRBBB 5 лет назад

Is nobody hearing some distorted noise (I'm guessing it's purposely made) at 7:31 that sounds like "HELP"? I've looked at all the comments and didn't saw any reference to that time frame!

@Markcool2011 6 лет назад

Lmao I cracked up when the balloon just popped randomly making a weird ass noise XD

@Fredrikaolsen 6 лет назад

How big would a vacum chamber have to be to float in the air?

@samsully2856 6 лет назад

A chamber would never float due to the size to weight ratio. In other words, the larger the chamber, the heavier the chamber. Also due to the walls having a larger surface area because it would be larger, you would need thicker walls to prevent implosion. And yes I am 13, just so you know. 🤔😂

@nathanalbritton5054 6 лет назад

R Sullini Theoretically it could float... You need to make the weight of the walls to the volume ratio small enough. Have you seen Mythbusters? They made a lead balloon , out of lead foil of course, and it was only able to float because the surface area of the lead to volume was small enough. They key here is making it bigger. The larger you make the vacuum chamber, the smaller the ratio is, allowing for boyantcy. The only limiting factor is a strong enough material. So yes, it is possible.

@samsully2856 6 лет назад

Oh my God yes I have seen MythBusters! It has been my favorite T.V. show since I was like six, I do remember them building the lead Hindenburg, (or as I enjoy calling it, the "led zeppelin"). But this is unlike the blimp, for example, do you remember the oseco rupture discs the MythBusters used the measure how deadly a blast wave is? Well, the larger in diameter the foil was, the more susceptible it was to rupturing due to larger surface area. So if you have larger surface area on the walls of the chamber, you would need to compensate for that by thickening the walls, which would drastically increase the weight. And I completely agree with you when you said, "The only limiting factor is a strong enough material." except there is no materiel in existence that is strong enough that would also be light enough to complete this task. Checkmate.

@nathanalbritton5054 6 лет назад

R Sullini Lol That is literally what I said. It IS possible, thought we cannot do it yet because we don't have a strong enough material.

@fangthewarrior 6 лет назад

Call us "The Lab Rats?" xD

@wtfvids3472 6 лет назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-PlW5cGdOr60.html So the heliumballoon goes up when it's less dense than the surrounding medium and it falls when it's denser than the surrounding medium. But only when it falls do we say it is pulled by a force? Couldnt we say it is pulled upwards by say, the "shnoozle" force if we ascribe a force for the downwards direction or just remove "gravity" from the equation altogether?

@3219jj 6 лет назад

??????I want to know if a little gas in the vacuum chamber disperses in the chamber, or falls to the bottom because of gravity.??????

@DrGonzo2781 6 лет назад

The weight of the balloon and army guy don't change. It only appears to change because of the relative density of helium in air (or a lack of it) or army guy's relative density compared to air or water. The water displaced by army guy is not a measure of weight, its a measure of volume (usually expressed in cubic centimeters).