Can You Solve The Paper Balloon Paradox? The Amazing Self-Inflating Japanese Paper Ball (Kamifusen)
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- Опубліковано 14 тра 2019
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In this video I show you on odd phenomenon in which a paper balloon inflates itself when it seems it should be deflating. How does the Japanese paper ball, the Kamifusen, work? How does it inflate itself?
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wait comments glitched, they become yours visual glitched lol
i saw one "would a light bulb power a solar panel which powers the solar panel for infinite power?"
Hi Sir,
If u hit the paper balloon on table with more time gap will it inhale more ?
Pretty soon this is going to be "Pepsico presents The Action Lab."
Can you make a video about D2O the heavy water
1:26 when you're trying to increase your sims skill but don't want to wait.
I WAS THINKING THE SAME THING HAHAH
who else thought that it is going to self-inflate on the table at the start?
not me
The Action Lab impossible.
me
me
no not at all
Meanwhile a new juggling record has also been created!
3:07
The Ball: I served you as a lab partner, don't cut me please. Someone save me! I gonna die! Nooo...oooo!
Ha ha ha ha ha ha ah ha ha ha ha ha ha ha haha hahahah
@@Sunscreen723 That's what makes it funny
ball: SEXUAL HARASSMENT!!!
the action lab: *banned*
Is this the new rubix cube, if so it will never be solve and instead will be in my closet waiting until I get bored
come on dude, just take an hour and solve it. please
Rubik's*
just look up how to solve it
Hey i know you...
haha yes if u don’t know the „Trick“ Even one hour trying won’t make u solve it.
2:52 that sound was so funny
I wonder what he said
I think he was just like ah or oops because he dropped the paper
Shit
Play it at .25 speed
I think it's "AH! It fell."
He said ah
0:47 best childhood memory
When the best part of a game is that it's free, you know that it's going to be a *great* game.
Just was going to say that
he showed off his handball skills lol
@@zryptex_7041 😂😂😂
1900: I bet there will be flying cars in the feature
2019: man hitting beach ball to inflate it
Future not feature
You're basically a more understandable Vsauce
vsauce is utter shit, have stopped watching that years ago
Very quality video containing, great job, hope you'll soon be the most popular science channel on the tube😍😍😍
So there is a complex theory on how the Paper inflates
It’s structure acts as a spring causing an “inhalation” response after every hit.
I couldn't find any better word than inhalation, any ideas?
The Action Lab I couldn’t either. It’s a compression and decompression? Actually, inhalation might be the most accurate word. Deflate vs. inflate?
your explanation was just what I was thinking but it was nice to see it articulated better than I could have :)
where is the recoil force coming from? Elastic return of the paper deformation or expanding of the air that was compressed in the initial hit?
Yeah, not really an Explanation when he just postulates that there is somehow a recoil with no reason given as to why that should exist or how he came up with their numerical relation.
Also, is there an internal air temperature increase from the abrupt hit which might contribute to the recoil force (or reduce it)?
Actually it's definitely not a paradox and it's pretty easy to explain it with basic physics
@@metehanmacit5844 Nobody said it was a paradox and despite the claim of there existing a supposed simple solution none was provided. So your point is exactly what?
ABaumstumpf the picture of the video says that its a paradox
If that was the whole story then quick little hits on the table would inflate it.
When the ball is moving through the air the air outside is moving faster (from the balls frame of reference) than the air inside. Bernoulli's principle states that fast moving air has lower pressure. While the difference is rather small it's just enough to overcome the weak structure of the tissue paper resulting in air being pulled in through the hole during the entire time it's floating around in the air. The quick taps in the air are also fighting the airs viscosity more as it tries to force it it out the small hole thus reducing the air loss even further. If you have a far enough drop you would inflate the ball just from dropping it. I've done this myself as part of a physics demonstration in school as we tackled this little "paradox" in physics class.
I think quick little hits on the table might inflate it, especially if it was starting with some air in it already. In the video he specifically pushes on it; it’s not just sharp taps.
Those dribbling skills coming in handy! Great video, love your channel.
I used to play with these as a kid, and in all those times I never realised it inflates itself. I often blow the air in first. I think mine had a thinner paper, it was really cheap.
Where do you get all your ideas!? Lol Good video again! Thank you.
I think Helmholtz resonance helps this principle. The hole will create a reasonably high frequency fundamentals resonance. Above resonance (steep impulse attack response of a hit) air flow will be attenuated, however as the paper regains its shape slowly the air draw will be below resonance and can flow unrestricted.
Just my hypothesis
I was wondering how those worked i always thought it was something to with air being expelled then more air being inhaled after you hit it, so I'm kinda surprised that I was somewhat correct great video action lab
i realized this when I made an inflatable egg from the membrane
that ball was a huge part of my childhood and I couldn’t for my life figure out why it wouldn’t deflate after playing with it so violently for so long... thx for video!
You are having your own party there lol and that Raid game looks amazingly fun, the grand-kids would love it! That Japanese Paper ball looks way fun!
Honestly, I thought you were just gonna chuck it into a vacuum chamber or something.
That's the third video I've watched this week about the same type of phenomenon involving flow and pressure.
That's pretty cool. Noticed this happening years ago with an experiment with a beach ball and couldn't work out what the deal was lol
Yes, only so much air can flow through the hole. There is a max flow. So even though the hot pressure was harder the bounce, or recoil pressure was longer sucking in more air than on the hit pressure expelled.
First tym m watching this video in this channel n really this is awsme ❤️👏🏻👏🏻
1998 : In 2019 we have flying cars
2019 : Uhh this meme is old now
Wouldn't the velocity of the air through the aperture be important in this circumstance too? For the Bernoulli equation that is.
Great explanation. What about the paper properties explanation?
You have experimented on 2 different paper. Why doesn't it worked on both of them?
The hole will also collect air, the initial hit may push some air out, but the mass is so light it starts to move, cupping up air through the hole as it travels around, more so than the amount that came out on the subsequent hits.
Just my initial guess while watching.
Edit: subsequent
You didn't mention the 2nd'ary effect that a faster moving fluid creates less lateral pressure. So as the ball, with an open hole, is flying through the air, the air outside the ball is moving by the hole creating a lower pressure zone, which further 'sucks out the air' - like opening the window in your car at highway speed. So this longer low pressure interval is also fighting that effect as well.
Mom: What are you doing?
I didn't really how the graph was made and what did speed had to do with a pressure-time graph. Could someone explain it to me?
Are there other things similar to this? I've never had a kamifusen but I feel like I've played with something very close to this
The slaps at the time lapse got me
Those sped up hits are quite satisfying.
you have great juggling skills sir
Brilliant!
Atmospheric pressure vs. Size of the ball and its hole , and the kind+place ,that force being applied.
Nice work
0:52 your cat when you have a laser pointer
It's not a paradox, just a pressure equilibrium
People overuse the word paradox like crazy
The sound of hitting the ball is so satisfying
Such a warm soothing voice
wow that is some intense level of detail on the graphics
You can fluff up pillows too this way.
Just a thought. I know it's a different branch of science but would the same effect be at work in veins trying to get blood back up from your feet to your heart when there's next to no pressure to help. Yes I know there are valves in there but they can't work on their own without pulses of pressure however brief they are.
0:17 - My heart when i see my crush talking to another guy in the class...
4:35 onwards
Class teacher (action lab) to me:-
Why are you runnin'!!?
Why are you runnin'!!?
Me:-
Help!! Help me!!!! Help meee!!!!!!
Great video! I felt bad for the ball when you cut it though.
Ball slapping on UA-cam..... Hey its 2019 what do you expect 😂
And it inflates when slapped. Who'd a known that? :oP
What happens if you crumble the baloon and leave it untouched for a while?
Also try hitting the regular paper BALOON and not just a crumbled sheet. Is the result same?
i had a question to you is donut had a 1 or 2 circle shape?
Can you make a video about D2O please the heavy water
ali rayd periodic videos did a good one on it
2:45
close your eyes and listen
Get out! :)
???
What i dont get it
@@mr.random9239 lol 🤣
i was kind of right. I was thinking since air flows over a sphere that when it was flying through the air, the air flows around it, and some finds its way into the little hole to inflate it. The same principle that keeps balls floating in an air stream.
hi action lab! what if you put a negatively charge ball on edge of propeller and rotate it very fast . will it generate EM wave?
When you wiggle anything that is charged it creates EM waves. The key is wiggling them fast enough so that you can detect the waves
The Action Lab Thanks for response! could u please perform a experiment related to this in upcoming/next video ? what would be relation between speed of charge ball and wavelength of EM wave emitting from it?
When you pressed it on the table there were two places where pressure was pushing out when you hit it only one point of pressure was being pressed
I think we all know the balloon is a paid actor
Dislike
@@shashwat4920 there's a small island called Malta in the middle of the Mediterranean sea. As they say there, Ghala zobbi.
@@nicholascave3012 as we say in India , anyways. Great message
"Inhaling hair air!" The Action Lab 2019
Okay, are we going to calculate the area of two rectangles to find out the difference of air coming in and out? It is easy right?
Every time you hit it and air leaves, the hole in the balloon temporarily expands a tiny bit which allows for more air to flood in and block the air from escaping, is what I believe.
I haven't finished the video yet so don't spoil anything or say that I'm wrong, please.
I'm surprised you didn't mention that it also has to do with the shape. It's going to want to take the ball shape because of the compound curves that pieces of paper take. When you cut the ball open, you still didn't break those compound curves. You should have made many slits, so it could lay flat, and then wadded it up. I bet it wouldn't come open near as much.
Could u light explain if there are curves ? Like actual curves coz actually everything has corners hasn’t it ? Coz when u have a „curve“ u just have Thousends of corners ( not necessary 90 °) don’t u?
Dear sir please do vedio about why baloons or ruber produse cold if its expanssion and contaraction
Thats just Amazing
I got one of these and i thought you filled it with air so i just blew until it was "full" 😂😂😂😂
0:48
Isn't it this amazing that science n curiosity can turn an adult into a 5 year old version of myself...?
So he turned into a 5 year old version of you?
Also the fact it's a sphere and was packaged as it was. Even crumpled you have an equal chance from ever angle when hitting lightly to cause spherical retention (wrong terminology I know).
Maybe I missed it but I did not see anywhere in the video you talk about why the low pressure period occurs and how any of it relates to the Bernoulli principle. They say that the Bernoulli equation is one of the most mis-used in engineering, I feel that this may be one of those cases...
That's amazing 😁
Is this the same type of paper used to make kite?
Could this principle be used for energy generation? Such as in tidal or waves? They could hit the balloon and inflate with water or air and then somehow pass it over a system that generates energy?
I'm thinking about the kind of boats/machines that are currently being invented to tidy litter from the ocean. Unless they are solar powered already.... Hmm...
I remember seeing this a few years ago on UA-cam
99 problems and the Kamifusen aint one .
Can we have a moment of silence for his dope ball hitting technique, shweet....
Now we get to see him act like a cat batting a ball around
Found this in the recommended section for feature role play games
Guess: the velocity of the balloon reduces air pressure, causing air to flow into the hole in the balloon.
Result: nope. That's a characteristic of gases I didn't know existed.
Cool video.
I thought this was gonna be stupid but that was dope
Where do I get one of those balls? They look like a lot of fun 😄
Reminds me of the Tadashi Tokieda video on Numberphile
What happens if you put a vacuum chamber inside a pressure chamber?
So many toys to buy, so little time
even after the end of the video I still did not understand how the ball inflates. Why the graph was like u made.
Learn English
Why this ball sound so satisfying ?
it is like what i did during my childhood, like juggling a plastic bag
I wanna see it in a vacuum chamber!
That Is Freaking AMAZIING
Hey action lab, you should put a gyroscope in a vacuum chamber and see if the axis changes after an hour of spinning because the earth is spinning
Hmmm I guessed that this is what was happening but without calling it Bernoulli lol
Hitting is simply momentary pushing.
You are better than dude perfect.
Theres absolutely no relation between the 2 channels. Wtf are you talking about
@@mikebarnes7441 woooosh
btw are team name is "Team Perfect"
look at the logo
@@duckman-qp2yt yeah I seriously dont get it. Please enlighten me?
Mike Barnes I know it’s old but anyways he’s talking about where the action lab was knocking the ball around. He’s comparing him to dude perfect
so if we have a thin basketball and we poke a hole in it.
we won't have to pump air in to this ball again LOL
My ball does it by mistake how.
There is a very small hole made by tearing it (rubber ball) and it does same thing like this ball even if it turn into a flat ball then also after some it get inflated again and in this video i got to know how this happens.