Using Resonant Frequencies to Create an Unspillable Cup
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- เผยแพร่เมื่อ 29 พ.ค. 2024
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In this video I talk about why coffee mugs spill so easily. I talk about the science of sloshing and show you why coffee mugs are the worst design for spills. Then I show you the secret to never spilling your drink. I show you the real unspillable cup!
Good source about coffee spilling and resonance: goo.gl/PNGuUJ
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If you want a good source for the resonant frequency of human walking and coffee spilling I put the source in the description
I got so mad trying to replicate your cup experiment with surface tension before I finished the video and saw your screen 😂
Me: *clicks video*
Vid : *starts* O K A Y S O ------
Me: ok im done
Why is liquid nitrogen liquid when its actually freezing cold
Isn't Centrifugal force just inertia?
....genius!......
"Sloshing engineer" doesn't look quite as good on a resume as "fluid dynamics engineer."
You're hired!
Fluid dynamics is more broad compared to just sloshing
How can someone just be a fluid dynamics engineer?
Corporate says that job post is a myth.... Never existed.... Either your a human or in human resource.
All in the words
6:48 “If you like to spin around in circles while you walk with your drinks...” - one of my favorite pastimes.
Heck I just wanted to dash for the bus without spilling coffee on my clothes on school mornings!
Yep
Sounds like what a Disney Princess would do
Problem: Coffee keeps spilling.
Fact: Putting spoons in your cup reduces spills. (4:39)
Solution: Drink spoons instead of coffee.
hmm
*starts choking to death*
@@paulolsen2197 Choke me Onii-san
@@iorenzo0rbeta130 *pulls out spoon*
You can put lots of spoons to avoid spilling of water
I love to walk spinning around in circles when I carry drinks too but never understood why my cups always arrived half empty.
Thanks to you I not only see what the problem was, but I get to drink more coffe than ever!
**wife comes home**
“Honey, why is there water all over the floor?”
“Uhhhhhh it’s ok it will dye.”
DRY!!! SORRY!!
@@bfig2159 u can edit replies
If u didn't know
Press the 3 dots and it says reply, edit and delete
**floor comes home**
"Water, why is there wife on the honey?"
@@JasonBlooey wtF
We have been using it for hundreds of years in Turkey.
It is called Turkish tea serving tray or better to search with local name "Kahveci tepsisi". It holds a lot of tea glasses and prevents spillage, therefore tea and coffee has been served in them for a long time in here.
Böyle bir kanalın, böylesine bir videosunda bir Türk görmek şaşırtıcı doğrusu 😂
I was just commenting about it and wanted to see if someone beat me to it first :)
Yorum kalp almış asın bayrakları
Yeah we have that in India
l-lan 😳
This reminds me of that meme where the guys asks "how do you keep your pants up on stage?" And he replies *belt* but instead its *lid*
nardwuar asking travis scott
how you just gonna call travvy “the guy”
@@AtLeastThreeCharacters. no no no, you misunderstood. He meant it as "THE guy"
@@shanesanchez2827 Ah I see now, Trav truly is THE guy indeed
@@AtLeastThreeCharacters. Yikies this aged poorly (even though I like his music)
I love your natural progression in your videos and subject matter. This video is so much more complex than most people would assume.
You can do this in a bath full of water. When I was a kid, I found that when I rock my body back and forth with just the right frequency, all water will eventually wave wildly until almost spilling. Finally I see the science behind this :)
Libor Tinka
HOLY SHIT I USED TO DO THAT TOO
MY 10 YEAR OLD SELF WOULD BE IMPRESSED
Ohhhhmahhhgawwwd y'all were so smart as kids. I would have never figured that out (°ﾛ°٥)
@@noelle9362 don't put yourself down pal
When I was a teen, I took a small "paddle board" at the local pool, and somehow found a resonance to a wide but shallow warm-pool, deliberately. It was about 15 metres long and 5 wide, maybe half metre deep. I was astonished that after a few minutes of pushing the water back and forth, the whole pool sloshed (barely) centre-to-edges lengthwise. It wasn't busy there, and it kept doing it noticeably for almost a minute after I stopped. Hardly anyone noticed though. But I thought it was pretty cool at the time lol.
I did this too! Until my mom came into the bathroom and yelled at me that it sounded like there was a whale in the tub. XD
So maybe that's why waiters can carry drinks on a tray balanced on an upturned palm. Their arm may be acting as a reverse pendulum so that the tray is not oscillating in harmony with the waiter's steps anymore. Very interesting.
By the way if you walk backwards with the coffee cup it is also less likely to spill as your natural tendency to use you arm as as counterbalance to your steps doesn't happen so much in backwards mode. Of course on average you'll spill a lot more coffee
this way as you trip over your furniture ;)
Awesome! Now I just have to train myself to walk backwards all morning with my coffee! This might catch on at the office and we'll all have backwards walking mornings.
Reverse entropy?
When I got to "you trip over your furniture" I laughed so hard I blew my coffee out my nose, so wasted all the coffee I saved by walking backwards.
After my Fluid Mechanics 1 frenzy I had run out of disposable cup covers and faced with dilemma of which cup style was the most spillproof I concluded a thin and tall cup would develop a lot less potential energy during a horizontal acceleration and hence less pressure on the side walls. Pressure can also be expressed as mm of water column so you if you actually do the math you get a direct reading of the wave height for each acceleration vector and cup style you choose. Though your equation shows a different property (and is a ton easier to solve), while my approach focuses on the sudden and violent horizontal accelerations transmitted from my car's cupholder.
Me, who balances the cup like a chicken holding its head still as i walk: *I have no such weakness.*
lol nice
I think instead of this device u could make 2 holes in the top of the cup and put a string through each and hold it like that. That way you don't have to 3d print anything lol
James, you're like an angel of science. You show young minds all of these seemingly magic things and they fall in love. That's what got me interested in science at a very young age. We had a presenter come to my 2nd grade class and show us a bunch of fun experiments. Among them was a banana frozen in LN2 and used to drive a nail into a board. :) It was magical and I've loved science ever since. I'll never stop pursuing it.
Ooh, that’s a good idea:)
But now he is going to have ants in his house
I totally agree
That's his name.
Science is therefor Muuuuch better them the regular "because its god" BS cause i don't see religions coming up with these things~
So when you ask someone to bring you a drink in a coffee mug, make sure they have that special device and that they are not a spinner walker! Way cool at the end with the screen, Awesome!
In terms of circuits, the sloshing technique is like turning a positive feedback into negative feedback. This ensures that the system is stable…when with bounds.
Thanks for the video!
This is, amusingly, exactly how I carry my travel mug without spilling it when I don't want to wash the lid. I just hold it by the top by three finger tips and let my hand more or less swing free as I walk. The same effect is much harder to get holding a coffee mug by the handle.
That’s actually brilliant
I've intuitively done this for years especially cereal bols and I've never spilled any even in the dark.
That's cool to know why I thought I just had good balance
*say back and forth one more time*
back and -forth- fourth
The Action Lab T O & F R O
bk & 4th
Back and forth one more time 🙂
The Action Lab now do it *back and fourth*
Another scientific device for an unspillable cup is a **Lid*
*Science*
lol so true, l have lots of sippy cups around
Oh, so that mug carrier is also called a lid? 🤔
@@Spikehead777 nobody said anything like that. What are you talking about?
I use condom
The lid, the lid, the lid, the liiidd
How to not spill your drink:
Learn Hamon.
Like Jonathan Joestar
You keep releasing your Hamon through your palms, creating a burst of Hamon. You want to release your Hamon from your fingertips so it will hold the water.
Man of culture
I love jojo
6:48 finally the perfect product for me
I come to watch this because I just spilled my chocolate milk I don't want to spill chocolate milk again.
*F*
Promo Solutions this was cute idk y
@@idontlikeyou.7413 yeah I found it very adorable. I just picture my little brother commenting this
Its a real problem. I dont care what people say, I cry over spilled milk all the time! #SpilledMilkMatters
Somethingelseyt would say “give me your chocky milk”
My brain was thinking “NONONONO” when you were swinging that little contraption with the mug around.
When people in school ask the teacher “When will we ever use this stuff?”, just say “So you don’t spill your coffee”
I really love how you make interesting contents even out of boring side of the physics.
Spilling hot liquid on myself Hertz
Engineers worked for years to develop the complete opposite of the unspillable cup, and they came up with the martini glass.
I learned from my dad at a young age that walking with a relaxed loose grip makes it much easier to avoid spilling than trying to focus on not spilling it.
You could also add baffles to your cup. This effectively reduces the cup's radius into a collection of smaller radii. Then the frequency of your walking never adds enough energy to the system.
Of course the best way to stop your cup from spilling is to add a lid.
Yes. Theres a book called rendezvous with rama. Its about a giant ass spaceship. Its cylindrical. At the 'equator' theres a body of water inside.
It was called the cylindrical sea. An annulus of water about a kilometer or so wide. One shore was about 100 meters above the water and the other side was 1000 meters above the surface. Fore and aft respectively.
This was so that while the se was liquid, when the ship accelerated, the water would have some slosh room aftward.
There were also antislosh baffle structures under the sea so that directional or rotational changes causing sloshing would be mitigated.
Its pretty cool.
I'm baffled as to what a "baffle" is...
Ice cube trays.
I just use a lid.
In Soviet Russia lid uses YOU
the lid
Big brain time
@@justkittensbeingkittens5892 union*
Just use a square cup
This guy just revealed the secret to Takumi's tofu delivery with the water cup in cup holder myth.
And I literally just finished watching the 4th season of Initial D 😲
"When I grow up I want to be a sloshing engineer."
Drunk people will definitely make a good use of that device
hornetluca drunk people are sloshed all the time
How to drink and drive without spilling a drop. Doesn't even spill after you crash into that tree!
Don't give them ideas, we need drunk people to go extinct.
they already have 1 its called a flask
@@primus711 you have to remove the lid off a flask, one step too many
"Unspillable cup?"
"It must be Action Lab..."
"...yep!"
I love this channel because it doesn't just warm up old tricks but creates interesting unique content AND keeps it scientific. Rare nowadays - keep it up :)
Its cool when companies want you to recommend their products in your videos. Makes you feel, well... Important. I could imagine its a rather nice feeling. I love this channel.
If u install separators inside the cup,frequency will be much higher and it won't slosh. This is used in trucks that transport fluid so that the trucks don't tip over in corners or on highways
Hassan Eido I am now making one for my coffee cup for work
@@lizichell2 glad I helped, make sure u also make them shallow or have holes at the bottom to allow for fluid to move between them at the bottom
Just cut two plastic sheets about the inside profile of your cup, and a slot halfway up in one, and halfway down in the other, then interleave them to make a cross (viewed edgewise) Place this in the cup and try your drink. They probably won't seal well enough to warrant making more slots or holes in them, but you can if you want.
Whenever a child asks me what maths is good for, i gonna show him this Video. So amazing.
“”Maths””
@@peppem94marsala Yes, maths is correct.
Meth*
Giuseppe Maggio he's likely British.. They tend to say maths which is short for mathematics
@@greenthizzle4 actually German people learn british english in school. But my english grammar is not that good, so sorry for my mistakes haha
Thx for this, amazing how science will always improve and also improve the world.
I gotta love the Action Lab, been watching their videos for a while now and ive noticed three videos that all have the mason jar with holes part. An exact copy, i give him credit for being this smart, Thanks i learned alot and im only in college
I love resonance! One of the best things about being a sound engineer is understanding resonance. It helps me understand things in scientific fields too.
P.S. Thanks for the vid. Always love watching your videos. Very informative and entertaining too. :)
@Telsa ♡
How to not spill coffee= LID
Lithography induced diamagnetism? Yeah that could work too I guess...
@@TheActionLab XD
I don't think *hot liquid* sloshed on that *thin plastic* lid is good for us.. Yet alone people who sip through it.
DJANGO but what if your lid is made from steel ?
Put LESS coffee???
Thank you again for a really great vid that is super informative and fun to watch! I always learn something watching your channel!
Amazing! You’re awesome at science and at figuring out things!
Put that device in your next action box. Please?
You look like you belong in jail
tom111 he looks like a child, I don't even see how you think he belongs in jail
@@greenthizzle4 Stupidity
Jake Mitch ah! you see, that is the beauty (and curse) of a round face. I always look young.
Plus that photo is a couple years old now.
*Spills some water from his cup"
"Oh, I have an idea for a new episode"
When I was a very young person we had to haul our own water over a pretty good distance between the well and house. I could carry two five gallon buckets by swinging my arms opposite to my feet at the frequency of the buckets.. it was almost like they carried me along..
I also use a cup holder similar to the one you showed, but its made of macrame
7:37 that clip was from a video tittled "Why is it so Difficult to Walk on Water? Amazing Water-Tension Experiment".
Awesome video really appreciate your work 👍👍
Keep doing great !!
How to prevent all spills with a 0% chance of liquid spills
Don’t put a liquid in it
**NASA WANTS TO KNOW YOUR LOCATION!!**
You are big brain.
Woh
What's "it"?
@@Gruuvin1 "Tag! You're it!"
Loving your videos...you have rekindled my love of science.
One thing I also noticed about many jars too, rather than using the screen trick, I first noticed with those clear straight Coca Cola drinking glasses... the inward bevel at the top is surprisingly good at rejecting spills even if the liquid begins to resonate. It seems the feature, if large enough, redirect the liquid rising up the sides toward the centre, and even if necessary, sloshes and throws it away from the outside edge. Even if the liquid rises above the edge, inertia directs it toward the centre instead of letting it climb out over the edge.
Apparently some places use a similar design for seawalls, to reduce seawater overflowing during storm waves at high tide... The water sloshing up to them gets thrown seaward instead of climbing up over the edge and flooding the walkway etc.
With the sheer number of glasses, cups and mugs made non-stackable, I'm surprised this feature isn't much more commonplace. Sometimes I'll keep a few small jars in the cupboard just to drink out of if I know I'll be up and about. As much as I like the Coca Cola glasses, I didn't get more because those ones are thin and easily break 😜.
This man is just waiting to become the next greatest meme the world has laid eyes upon.
Just found this channel guess what im spending my day watching. This is really interesting.
I just subbed! this is such an interesting channel thanks
"So if you like to spin in circles while you walk with your drinks..." yup thats totally me
Well at least he didn’t start of by saying “okay”.
“Oh gosh”
OMG That is sooo true. There is one video that I found where he started with alright but I just noticed that he always starts with "Okay, today I going to ....."
*THIS*
*"oH gOssHH"*
_Ur Challenging Gravity Action lab_
Actually he's challenging motion and wavelength frequencies. Gravity had little to do with the demonstration.
You're *
@@RedstonekPL oh
@@kartikpatil8462 that's exactly what he said, "ur."
@@RedstonekPL lol
How interesting, thank you so much for showing us those curios things with a great explanation congratulation.
He started the vid saying something other than okay. He said oh gosh. Okay..
At 4:54 I really thought you were gonna throw a lot of spoons in the cup 😂😂😂
Me too 😅😆
Yes because people flip their coffee mugs upside down and spin in circles with the coffee in hand. 🤣🤣🤪
NOW THEY CAN
That first device is really good for seniors with shaky hands. They can just carry their drink everywhere without spilling it.
Will you ever be able to drink out of an unspillable cup?
*their
Actually people do it in our country at the tea pubs ;)
This is like a magic trick to me, thanks for making such a amazing video
Ok Picasso guy, I'm gonna subscribe, got several interesting videos recommended, and you really deserve it.
I spill coffee at, at least 144hz. That's when you know you're a gamer.
LMAOO
The coffee falls at 144 fps
I spill my coffee at 240hz
The way I stop spillage is by stirring it whilst I walk. I'm able to walk faster and the spinning dampens the back and forth waves. But a coffee mug like this is friggin amazing. I want one. I would love to walk down the hall worry free of spillage.
ThePrufessa stfu that violates thr third law of gravitation, asshol
@@OF01975 what law?
ThePrufessa they also have stirring mugs which may be pretty helpful. Expect they are like 20& and have a noisy motor..... If your deaf and rich this is just for you 😂
Okay, this is so so cool. :OO Thank you for this video!
This is awesome! Now I can become a sloshing engineer when I grow up.
1:47
What do you do?
Oh, I'm a sloshing engineer.
A professional scientist who can’t handle his drinks.
you dosnt this comment have at least 100k likes?
@@Mid_Mountain_Cucumber ???
School holiday and bored
Me: ACTION LAB TIME! 😀
Enjoyed it much!
the action lab: "lets make an unspillable cup!!!
lids: *exists
“When I grow up, I want to be a sloshing engineer!”
There's another structure that reduces spillage due to sloshing, and I learned about it by using those straight Coca Cola tumblers, and it's also built into some walls built into a choppy shoreline...
The top edge of the glass is curved inward, such that liquid sloshing up the side gets thrown towards the middle, instead of up over the edge, avoiding spillage. It has that horizontal kinetic energy by the time it reaches the edge. Works well. On shorelines, waves will splash outward toward the water instead of splashing back down and soaking the walkway etc. above. It works only for sloshing, not long period overflows, of course.
I was so tired of spilling my coffee on myself that your video inspired me to fabricate my own Spill not.. instead of paying for one I'm a welder and I got to say it works amazing I love showing the kids how it works and them being amazed.. I'll probably end up buying one also just because it's a little lighter than the metal one I made but mine works just as good so I'll have to convence my wife to let me spend the $20 or so for one..thanks for the great video
The secret to not pouring water is to drift like Takumi Fujiwara
Stefano Ferraro rip fukushima
Can I say how much I love these videos? They are really interesting
How can this dude make physics and science so interesting? I'm learning more in a few videos than in 2 and an half years of lessons
Lol, that look kills me. Like your standing barefoot in gray water but trying to ignore the corn kernels stuck in between your toes. Epic and hilarious 👍🏻👍🏻👍🏻
Can you make a video about essential oils if they actually work why or why not and the science behind how the smell effects you?
I've been curious but I haven't been able to find a good video about it on TH-cam and you are my favorite science channel
I'm not so sure that this is physics related and outside of his realm of expertise. I could be wrong but I don't think this is an experiment made for his channel.
@@ThePrufessa he has a degree in chemistry, so maybe he would be about to do it.
Though so far, no respected scientist has ever confirmed that essential oils work.
@@sovietbot6708 maybe realm of expertise was the incorrect phrase. More like it's not his modus operandi. He usually does more physics related topics. Essential oils are pure chemistry. Whether they work or not I'm not sure. I've never bought into their therapeutic value. But they sure do smell fantastic. Like wonderfully fantastic. They have a very light and clean aroma to them.
ThePrufessa im a scientist at purdue i can agree essential oils like chloroform are effective
@@ThePrufessa If I had to take a wild guess, the essential oils' reputed effects are mostly psychology in that people associate the smells with pleasant things... And I lost track of where I was going with this. That's what I get for trying to answer a question when I just woke up. 😅
Illuminati: *stay where you are*
Ahmes Syahda, are u in the Illuminati??
Unknown It’s a joke 😐
I'm just looking for members other than myself >:)
lol
This would have been helpful when I was rushing for the bus on those early school mornings with coffee feeling on my nice clean clothes!
My solution to the resonance frequencies of my coffee mugs, is to just waltz along. This breaking of the steps is easy enough to do, and disrupts the buildup cycle. I might look a little weird, but I always win the "bringing my coffee to the table"-races.
Imagine waking up just to see your beloved one waltzing around. Sounds like heaven.
Science rocks!
Bruce Davis how are rocks science? 🤣🤣 lol jk
@@judahbrewster everything is science lol
Me: dang it i spilled my coffee..
Friend: how'd you do that?
Me: welllll
I honestly appreciate that you used a brown sharpie to represent coffee. Good show sir.
Just discovered this channel, and now I'm on a very educationally scientific binge.
*Flex Tape would make this Cup Indestructible too*
far better than magical spit
Naw man I think you need some of that flex seal liquid
2:37 my art in a nutshell :D
You don’t need some fancy tool to stop sloshing. You can easily do it with an intentional movement of your hand. Do a figure eight movement with your hand. When you get it right you will never spill again and it’s the easiest motion to learn for this.
So well produced and well explained... I fckn love this guy and channel
Imagine trying to shake your cup while drinking
WHERE CAN I GET THAT MAGICAL THING
Hamon
You can learn it from Antonio Zeppeli
thats cool, the water only spills because of your STOP AND GO action in your walk, i mean, when his foot pushes himself(creating the inertia of the water) and his another foot which will stop him to push him again but the water's inertia is keeping the water to go forward but the mug stops it from going straight thats why the water's inertia pushes the water up to point that the height of the mug cannot counter the height of the water anymore therefore creating a spill, but when he allows the inertia of the MUG to keep going forward along the inertia of the water by putting a swinging lead, he also allows the mug from changing its own angle on the point that the height of Mug can now counter the height of the water therefor preventing the water from spilling,
When New Scientist ran an article on the paper about this years ago it came as a surprise to me that it came as a surprise to them because I'd always countered the oscillation consciously and assumed that others did so subconsciously without necessarily being able to explain it; this solution was certainly far cleverer than any they came up with in that edition.
"If you like to carry your drinks spinning around" 100% would not recommend.
I swear to god I always here the word "back and forth and back and forth "
0:49 , 1:00, 2:41, 2:47
7:55 i didn't see the screen and at first i thought that was amazing and it couldn't possibly be real, paused the video and was going to try it but glad I decided to watch the rest and saw there is a screen making the water tension.
My favorite cup is shaped like this: (_) ..I think something with the curve makes the waves cancel themselves out, never spills while walking
thanks for the visual aid