Do Suction Cups Work In a Vacuum Chamber? Will They Stick?
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- Опубликовано: 3 окт 2024
- In this video I show what happens to suction cups when you put them in a vacuum. I get an assortment of suction cups and stick them to the walls of the vacuum chamber. I talk about how suction cups work by removing the air from the inside of the cup and creating a pressure differential that causes the atmosphere to push the suction cup against the wall.
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hi there my name's john recently my son has been watching your videos and has suddenly gained an Interest in science and technology which was a great change from all the video games he usually plays so thank you for these videos
+John Kyon hey perfect, that is exactly why I do these:)
holy shit lmao
Orange Flavored Clorox Bleach hahahahahahaha
What the fuck dad?!?!
John Kyon that didnt even make any sence but ok,"parent"
Put a phone with a screen protector that has a lot of air bubbles in the vacuum Chamber
Dalmack fart This is a good idea.
yes please
yah, put an iPhone with a screen protector with lots of bubbles
That sounds great!!! xD
Totally worth a try
My 7 year old asked me how a suction cup works and this was so informative and fascinating! Thank you so much!
Oddly satisfying when seeing it suck against the chamber😀
FunnyPig omg it’s you
Surprise surprise!
FunnyPig I subscribed to your channel
I am the first grade teacher that mentioned how we watch your videos in class. Last Friday I had someone bring a vacuum chamber into my classroom. The kids were thrilled! They had so many suggestions for what we should put in the chamber. Thank you for providing a kid safe channel! You are inspiring little scientists.
+Organic Poppy great! I love hearing that!
Surprised they were still hanging on like that for so long! Thanks for all the cool experiments!
I really enjoy these videos and I appreciate when you show us the meter, or at least tell us the pressure as it counts down.
Very cool! Thanks for sharing. ^_^
It would be funny if all of them would fell off in the same time XD
+ Satisfaction 100
put a human poo in the vacuum chamber. sorry to sound childish but I'm genuinely curious to how it would react 😂
if there is air in the poo it would expand if not it wouldn't do anything
SummerCorn LOL
SummerCorn Very good question! And will the steam be safe to condense and drink?
Brandon P it would get flagged and that would be pretty disgusting
Brandon P hahaha
You need a digital altimeter on your vacuum chamber. It would be neat to know at what altitude the reactions of your experiments take place.
While there is a vacuum, stick a suction cup to the bottom of the chamber and put the air back in. Now try to pull it off
Aelerity Maybe a small remote controlled robot arm that cant press the cup against the bottom lf the chamber. The question is, if the remote controlled robot is still working in a vacuum
Some vacuum chambers have sleeve-like gloves in the wall of the chamber to manipulate things in it. These gloves are usually only in professional ones.
Some random person , Uh yea I didn't thik of them
EVPointMaster this and compare the one placed under vacuum to one placed in normal atmosphere. There's got to be a way. Maybe weight on the suction cup to press it down? A brick could work.
Maybe just leave them on the bottom and remove the air. Probably when the pressure is restored, some will just auto stick. If they are flush with the floor, it's highly possible that air gets fastest into the chamber than below the cups, pressing them down.
Note to self: if you want to really piss off an Octopus, put it in a vacuum chamber...
Attila Asztalos ROFL good one!
Thank you for the suction cup demonstration, I had no idea how it worked.
It would have been much more interesting to see if suction cups would still stick if you were to try to apply them on the surface while the chamber was in vacuum. It would have been much harder to accomplish though.
i hope someone make a video bout that
Of course they would stick. This experiment has a flaw. The reason why his cups are falling off is that there is some air left under the cups and it expands under the vacuum.
@@marko_z_bogdanca But... That's lie the whole point of them
You have some champion suction cups there! You should identify those for when you need some really good suction cups.
The things you never knew you never knew until this channel teaches you.
I've actually found many of your videos very interesting! I'm a new watcher here.
What's interesting about this is the fact that you are removing the air from the vacuum chamber you are essentially making the lid become a giant suction cup
Good thing that you kept the pressure gauge within the video frame.
Continue this in your future videos.
And thank you for making all those wonderful vidoes
Well done :-) I like that you keep it simple. I didn't expect that many suction cups, that was a plus, thanks!
Hello, this inspired me to get out of my house and actually learn something about the atmosphere. Today I went to Mount Everest and discovered that's top of the mountain is actually in the last layer of the atmosphere. The troposphere.
Cool. I was surprised that any stayed stuck during vacuum.
Two active walkie talkies facing each other in a vacuum chamber would be cool
I'm curious to see what Oobleck will do in the vacuum chamber. When the air rushes back in and it should shrink back quick, will it act like water or will it become hard as the air removed.
The One-Eyed King he made a video about that already
You should try the suction cups for gps mounts and also car body repair. It would be interesting to see if the mechanical lever which pulls the center of the cups out to create suction helps or hinders it in a vacuum. I would guess they could stay stuck even with weight added at your lowest pressure.
Put Bubble wrap inside it.
Plot twist they spontaneously combust
Better yet, how about testing whether a suction cup can be applied in a vacuum. Since it works on pressure differential, can you create a difference in pressure in a vacuum?
+Greg Snow maximum pressure you could get is about 0.1 psi since that is about how low my chamber gets. Might not be enough to hold it on, but maybe it can! It would be hard to apply in the chamber though.
The Action Lab you could have checked if the last surviving suction cups had visible differences against the ones that fell first. Maybe they were better made, smoother, more round, more plain or taller, or cleaner or greasy or something that made them better.
That info would be great to know! :D
Even better, number a bunch of them and take notes of the pressure at which they fell, then you can gradually look at each one and tell why some are worst and some are the last survivors.
Preferably, use brand new cups from a bag, and wear gloves while numbering and sticking each.
I wanna see too how the vacuum suction cups stronger to regular ones...
I don't know why I give a shit, but I still watched this lmao
i was sorta hoping they'd all pop off simultaneously lol but it was still cool to watch either way
Good experiment I was thinking about this for long.
You should test the difference between certain suction cups and their max weight capacity vs 2x atmospheres
The least few who didn't come off are like students in the class who don't stop, no matter what to write in an exam, until the time's up of course...LOL
I think it sounds like you're talking with the biggest smile on your face 😄
these are the types of videos where you just think to your self :
ah ok so guess thats a thing
Hey..this is a pretty good quality test for the suction cups...
Im curious to see what would happen if someone tries to stick them when it is already in a vacuum from the start. I know it's difficult to do it or maybe impossible, but in case it is doable, i really wish to see it
This would be a good way to host a betting game, just place your bet on the one that you think will last the longest xD
Hey, I have an experiment suggestion! Could you build a Crookes radiometer out of the vacuum chamber and some black/white vanes. And try to make the vanes rotate by photon pressure (which is not achieved in the actual radiometer - that one works on heated air currents in partial vacuum)
i cant believe i actually started rooting for the suction caps to prove him wrong lmao
You should try the suction cups for gps mounts and also car body repair. It would be interesting to see if the mechanical lever which pulls the center of the cups out to create suction helps or hinders it in a vacuum. I would guess they could stay stuck even with weight added at your lowest pressure.
Put underwater matches in the chamber. Like the ones that still burn when you dunk 'em.
what would an electric arc do in a vacuum? Air causes resistance, but in a vacuum, would the arc have less voltage consumed to get the arc to jump to the other lead?
Fidget spinners in a vacuum
I like the way you are doing these videos, you are very precise and check every combination :)
Before video comment: The cups will fall off because, suction cups work by making a vacuum of their own to make them stay on a smooth/ flexible surface. So they wont work if the suction inside the cup is matching/ greater than the surrounding air pressure.
After video comment: 1:58 called it. Also to see them resuction onto the glass was interesting. I wonder how much force it would take to pull that off without using the vacuum chamber again.
what if you put a phone there? i mean will the signal be lost?
Pro Player what signal?
DasEtwas WiFi
nope, signal uses light
No.
Mark's Journey yes, light = microwaves = X-rays = wifi, it's just electromagnetic waves
what if you put helium ballon in there will it fly ??????
INFINITY GΛMΞR HD It would expend and take all the space in the vacuum chamber,
INFINITY GΛMΞR HD
A ballon is not filled with helium. I don't even know what that is.
INFINITY GΛMΞR HD no it's not going to explode. I already saw a vid on it, it didn't explode. It just expanded.
It all depends on how much material makes up the balloon itself. A small balloon would pop where one that can stretch bigger then the chamber itself would not.
The answer is no it would pop and then the latex or plastic or whatever its made of would fall to the bottom of the vacuum chamber
you should put some kind of pressurized container with a manometerin it to see if it show higher pressure than it really is in that container
All your videos are really interesting. I want to thank you for making them, I really learn a lot.
put some gummy bears in it PLZ
I would like to know if you could re apply the cups once they have fallen off. You may not be able to in a complete vacuum but with just a little air remaining it might be possible. Then allow the air back in and see if the cups are extra hard to remove. Because I doubt the typical action of pushing on a suction cup removes all the air so one placed in a vacuum should be stronger once the vacuum is released.
put extra hot molten glass in the vacuum chamber. its supposed to froth up as the gases escape. might be cool looking when it solidifies.
I wonder what causes the adhesion between the rubber and the plastic. I had assumed the "stickiness" was a suction-cup effect on a microscopic scale. In which case the "adhesion" is really just the atmosphere holding them together. But seeing how well some of these held up under a vacuum certainly makes me question that assumption.
oh wow amazing! l didn't think they would fall but they did, loved it!
softestdrink what's your problem dickwad
I have another theory, but not sure if it's true. So I imagine that not all of the air is pushed out when the suction cups were pressed against the wall of the chamber. If there was some air still trapped, is it possible that as the pressure decreased the volume of the trapped air expanded causing a decreased amount of suction until they fell off? Or that the trapped air expanded so much that it escaped and broke the seals of the cups?
The amount of air pushed out is going to depend on how strongly you push on the suction cup. Once the pressure outside the cup is unable to keep it against the wall, it falls off. Saying that the trapped air was expanding is just another way of saying that the inside cup pressure is higher than the outside cup pressure; either way it means there's no more net force pushing it against the wall. It's possible the few that didn't fall off had a higher vacuum than what the machine was capable of producing, I'd find that more likely than purely plastic-plastic interactions...
Hi, i told a RUclipsr (Nozman french) to do that a few years but he wasn't interested. Nice to see that it work.
Now can you try to stick suction cups when the vacum has no air (with your magnet or special gloves) and turn to normal pressure and try if suction cup can carry more weight ?
And then another experience : Champagne in high pressure vacuum chamber (more atmosphere) to see if bubbles stop. Because i think it's the same effect has boiling water : It's not really boiling.
There is a lot of things i would try but i havn't this chamber. I need to buy one.
Put those suction cut while at full vaccum to see if they are more hard or easyer to pull out
I don't know how I got on your channel but when I started hearing your voice it immediately reminded me of Davey and when I saw you at the end I was sure you'd have to be his brother :D
+Samira L yep I am!
ohhhh! who is Davey? :o
I don't exactly know how you could test this, but I want to see if water boiling in a vacuum chamber disinfect like water boiling at atmospheric pressure.
Probably the least surprising thing I've seen on this channel.
part 2 of my question because part 1 got sent before I wanted it to: Could you perform an experiment by constructing a sealed box with a form covered with different types of foil and put them into your vac chamber to see if they would maintain their sealed integrity or if they would fail (get a blowout) I saw the "chip bags" which brought this to my mind. Thanks, Anthony
That was Awesome Dude! I enjoy about All of your experiments, but this one was really cool to me. Thank you!
It's like the original star trek episode with the flying omelette/pizza creatures get zapped by sunlight radiation. ...and Spock i s temporarily blinded except for an unknown 2rd eyelid.
I'm surprised the larger ones do not seem to be falling off first.
Makes sense what's going on. After all, you're creating a vacuum within the suction cup, and since the material has such a good suction due to it's gel-like quality, no air can creep in and knock it off. When in a vacuum, what little air is trapped inside expands as it's getting drawn out by the vacuum outside the suction cup. Therefore, they start to lose their grip which is why you see an expanding circle of air in the suction cup.
Ultimately, it shows how much force you have to pull with to take off the suction cup without having to resort to peeling it off. You're fighting against a mini vacuum.
put an ink cartridge in the vacuum chamber
I have the same suction cups
(But the big ones) and cool vid.
Those last few that would not fall. I think that was from the "van der waals" forces. The static electricity making a kind of a magnet.
Or how long will a plant survive with water and dirt but no CO2
I suppose the same logic applies to plastic wrap and sticky note pad paper. Try weighting low stick notes and put them under a high vacuum. Will they fall off? My guess is that they will still stick but is there an air pressure component to their adhesion to a plastic wall?
Just curious what your gage would read if you did your vacuum tests at high altitude, say 10,000'.
I really like this kind of experiments. :D
Will they stick to the wall if you shoot the toygun with those suction cup shels in the vacuum?
When that last one fell my heart cracked a little
Wow! It's almost like Cody's Lab did this a few weeks ago.
what would happen if you had one vacuum enclosing a second vacuum? is that possible
Your wife wondering where did the forks go.
Wow! The answer to a lifelong question, I've wondered about this every day. Just kidding! Pretty cool!
try setting up a thing that sticks a suction cup onto the wall while it is under vaccum, would it be impossible to get off under normal atmosphere?
*reads title*
Well this is gonna be a quick video
Try a block of swiss cheese next!
Put instant snow in the chamber. I want to see if it'll retain water in a vacuum.
Scientific vacuum principles tell us that, once the air was reintroduced into the box, the suction cups lying at the bottom should have popped back up onto the wall, to their original positions where they were stuck at the beginning. Its just simple physics..... Lol
The suction cups by default won't work under a vacuum. Suction cups work by having a lower pressure within the cup as the pressure outside is greater. This causes the cup to stick to the all as the outside pressure that's greater will press in on the inside of the cup with friction holding it. By having them in a vacuum the difference of pressure is gone and the suction cups won't stick.
please try petrol/gasoline in vaccum chamber. it will be very interesting because if we increase pressure inside it will cause the material inside to boil but at the same time petrol need oxygen/air to burn
can you make a video in which you compare the travel of sound waves in a vacuum chamber and in a high pressure chamber? use a Dezibel o Meter or how ever these are called in english
I think the pressure is arbitrary. A properly engineered suction cup would stay on due to tension preventing entropy, more so than a counter pressure holding it on.
Tension vs pressure, consider entropy
ok, so you said water boils under vacuum. If this is a true boil, can you hard boil and egg under vacuum?
Can you try sticking them on the inside after the vacuum chamber has already removed the air and see what happens?
All right, waiting for bets. Which one(s) will stay on?
You know those maple tree seeds (samaras) that fall like helicopters? It would be cool to see if they still spin like a helicopter when they fall when they're inside a vacuum.
can you have a glove built in to the lid, and once there's no air, show us you trying to stick em to the wall??
Some of the suction cups may even have been pushed of slightly if the pressure inside the chamber ever dropped below the pressure in the suction cups
+Shaun S. 8bit Not if there was significant Van der Waals attraction between the plastic and acrylic chamber, which he thinks is there anyway. Perhaps they had to be pried off from the internal pressure
Can you figure out a way to stick them back on while inside the vacuum? Kind of a vacuum within a vacuum, not sure if it will work at all since there is no air to create the differential pressure..
You should have had a control group on the outside of the vacuum, but I'm sure we all knew what would happen anyway
I thought you glue some of the suction cups on your fingers and then put your hand in the chamber.
Every astronaut knows you need to lick a suction cup first.
Place your bets folks which ones gonna fall off last
lmao the ad was better than the vid