What's In the Box Making it Spin? There Are No Moving Parts
Vložit
- čas přidán 16. 05. 2024
- Get your first Kiwi Crate for free: KiwiCo.com/SteveMould
So it's magnets of course. But how exactly? What's the mechanism?
Here's my #shorts channel: stvmld.com/cug7y2w7
Here's that instrucbles project if you want to make one yourself:
www.instructables.com/Magneti...
You can also discuss this video on REDDIT: stvmld.com/a2skv9x8
You can buy my books here:
stevemould.com/books
You can support me on Patreon here:
/ stevemould
just like these amazing people:
Alan Wilderland
Joel Van der loo
Glenn Watson
Doug Peterson
Paul Warelis
John Zelinka
Alnitak
Grant Hay
Heather Liu
Marshall Fitzpatrik
Lukas Biewalk
JJ Masson
Ben McIntosh
Damien Szerszinski
Matthew Cocke
Frederic Merizen
Jeremy Cole
Frank Hereford
Will Ackerly
Brendan Williams
Twitter: / moulds
Instagram: / stevemouldscience
Facebook: / stevemouldscience
Buy nerdy maths things: mathsgear.co.uk - Věda a technologie
Here's my shorts channel (if you're into that sort of thing and you have something better than my old flip flone): stvmld.com/358jx9fh
The sponsor is Kiwi co. Get your first crate free: KiwiCo.com/SteveMould
Do you mind if I test your actual knowledge in applied science to see if you're a real scientist or a Google scientist?
@@Starteller no need for that. I can tell you I'm not a real scientist.
@@SteveMould Ok, because I'm an applied scientist and I saw many mistakes you made. So it was either you made it simple to understand or you were wrong.
@@Startellerappreciate the feedback. Could you tell me the mistakes?
@@SteveMould I said many. My specialty is the Electromagnetic Spectrum, electronics (Telecom) and computers
Try to answer that
"What was the temperature of the film inside the camera while being on the Moon?"
This is what happens when a smart and funny person has had some time away. Steve saved all the jokes and sight gags he's built up over the holidays just for this. Great stuff sir.
this post is why I bothered to watch the video after figuring it out that it was magnets around 5 seconds in
so thank you
He also took Smart's phone....
4 bot replies
@Mr.squidewhat?
"The energy to dance like a ballerina comes from within." Steve Mould 2022
I'm getting this tattooed on my forehead
Now that Steve has discovered the power of skirts that go spinny he will be unstoppable
😇😊
@@ilonachan Preach
@@ilonachan He has now discovered the secrets of the universe
"Seeing yourself in a mirror dressed as a ballerina fills you with so much joy that you simply start to rotate" is a legitimate first hypothesis, and I'm so glad you tested it thoroughly before moving on to another one. 🤣
I'm waiting for electroBOOM in a tennis skirt to challenge Steve's hypothesis.
Skirt do go spinny tho
He actually didn't fully twst it though because he should have tried looking at a picture of himself in the skirt to see if it still worked, thus eliminating the mirror from the equation. That would then determine if it was the mirror itself or the act of see oneself in a tutu that was causing the rotation.
@@1FatLittleMonkey finally a worthy opponent, our battle will be legendary!
I've never seen a toy like this. It's so simple but produces a great effect 👍
kamusta
Used to sell them in seaside novelty shops.
I used to have a similar one, this would have been several decades ago, that was a dog with a ball. I think moving the dog rolled the ball away.
Steve really find a ballerina toy, study how it works, and produce an "educational" video just as an excuse to film himself dancing in a skirt in front of a mirror. Even got KiwiCo to sponsor the video.
It's a crazy world we live in
@@SteveMould We love you Steve
@@SteveMould, or, is it a crazy person who lives in this world.
@@SteveMould Better you than me
everyone deserves the chance to experience Skirt Go Spinny
I didn't see enough appreciation of "a quarter τ radians" rotation at 0:39, so I'm writing this to support your rightful use of tau instead of pi, Steve!
clearly the only proper way to represent that is what i will henceforth be calling Iota: ι = 1/2 π = 1/4 τ
so that the mentioned rotation would be ι radians
...
...
so what if im adding a third front to the tau vs pi war? 😂
@@SharienGaming Sorry, but Euler beat you to it. As he usually does ; )
I'm always so happy to hear the best circle constant being used. Thanks, Steve!
@@mskiptr wait...you mean that was actually a real thing? ... i was honestly just trying to make a silly joke XD
but thats absolutely brilliant^^
Awww, yeah, that's my comment. tau for the win!
I remember getting a similar phenomenon playing with lego pieces that had integrated magnets. I never quite figured out the necessary parts of the arrangement to get them to work. Thank you for showing this!
I love how Steve did a real life demonstration of what the ballerina toy was doing.
That was GOLD.
I LOVED it!
I was quite happy to see a 'normal' successful person acting this way, as I was told it's one of the reason's I'm 'not right'!
@@farvatron I laughed alot.
It's rare that I laugh this much from anything like a CZcams video. These videos have such a quality to them, both presentation- and information-wise!
Don’t know how I found this channel but so happy that I did. Such a unique sense of humor but I love it 😂❤️
Plus, he looks pretty saucy in a tutu.
The cut to Steve stuck to the mirror made me laugh way too hard. Was just grateful I didn't have a mouthful of coffee.
Ok
I was literally scheming a plan for a perpetual motion machine just before you mentioned how that couldn’t work. I’ve never been so excited to make something and so disappointed in such a short span of time.
This is a brilliant little thing.
The thing itself and the mechanics involved are simple enough, but it takes a genius coming up with something like this little toy.
OMG, I *LOVE* the shots of you as a ballerina. Absolutely hilarious. Thanks for having self-esteem and a sense of humor.
He took a ballerina course at university. He got a 2-2.
I really love how you combine science talk with your wonderful (British) humour, makes it SO much more interesting to watch!
Even if you already know how the ballerina works, watching Steve test alternate hypotheses is well worth it!
But, the simplicity of this toy is just GENIUS!
If I were Steve's kids I would be so proud and so embarrassed of my dad.
IF
@@sailaab Uh, yeah. Thanks.
Only proud i think.
If you're never embarrassed, Dad is not doing his job.
If you were Steve's kids, that would mean you would be multiple people, which sounds pretty confusing.
UNLIMITED ENERGY RIGHT THERE! Just strap an engine and a mirror to a full size ballerina!
Lmfao
I wonder if Mehdi can replicate it
@@MightyRude so how much magnet does a magnet have?
@@incription 7.
@@MightyRude I have one that barely holds itself to the metal filing cabinet anymore and it's only about 12yrs old. I think it lost its power from other magnets stuck to the same drawer. But they definitely do lose their power
I remember one of these from my childhood. Great to be reminded of it. Easy to work out now as a professional physicist, but it mystified me as a child. Great idea. Keep up the good work.
I feel that the beauty and elegance of your ballet was taking away from the lesson. Thanks Steve.
You know I really didn’t expect to wake up and see Steve spinning around in a skirt on my phone screen. It’s going to be one of those days.
A great day?
@@GadAnimations yeah so far my day is alright. How’s yours?
@@markm0000 Happy to hear it! I'm currently getting ready for a weekend trip; that, along with Steve's excellent ballet recital, has made it a good day so far on my end
@@GadAnimations You are now blessed.
Steve with a cutting board down his trousers was not what I expected to see today
Because he is thicc af and the joke won't work otherwise.
Pre viewing prediction: The movement is because of the charge magents, and the spin is because differencial friction on the bottom contact surface. Like a lint brush surace. slide it one way it grips, other it is smooth. Just in this case in a in a cirle. Maybe it's carved wood, or fabric, whatever the material. Something that created friction in one way and not the other in relation to the whole is being pushed.
Almost right.
No fancy surface technology, tho.
You mislabelled your magnets. The North end of the compass is attracted to the South pole of your magnet, and vice versa.
It’s just a little confusing because we refer to the north attracting pole of Earth as the North Pole, even though it’s magnetically south.
“The north pole of a magnet is defined as the pole that, when the magnet is freely suspended, points towards the Earth's North Magnetic Pole in the Arctic (the magnetic and geographic poles do not coincide, see magnetic declination). Since opposite poles (north and south) attract, the North Magnetic Pole is actually the south pole of the Earth's magnetic field.” - en.wikipedia.org/wiki/Magnet#Polarity
Here's my #shorts channel (if you like that sort of thing and you have something better than my old flip flone): stvmld.com/358jx9fh
The sponsor is Kiwi Co. Get your first crate for free: KiwiCo.com/SteveMould
You can also discuss this video on REDDIT: stvmld.com/r_twwpzs
Funny thing I'm watching this on a flip phone...
You should start selling shorts...
I'm not sure that I want to see your shorts, but I'm sure I don't want to see you without shorts. Dilemma
perpetual motion!
Thank you so much for creating a Shorts-specific channel and not forcing us to hide shorts videos from the Subscriptions tab.
I thought i have watched only 15 seconds of the video, it was actually 90 seconds passed.
This shows how much mental effort you have put to make this video.
Amazing.
I love the video! Thank you for putting in this much effort for us Steve ❤️
Steve... this is art. But also, I hope you can get outside some when it warms up... there's a hint of cabin fever in this tutu studded episode.
You got the spam comment mark of death, Steve like your comment.
I'm almost tempted to try a kiwi co subscription for myself despite being an adult, it looks like a lot of fun! 😆
I'd like to build my own headphones so I can try different drivers in them. ;) ... And I really couldn't be bothered with 3D printing.
Why not, if you like the look of them? Or any other experimental / educational kit that takes your fancy (funds permitting). There's also an endless supply of free goodies, parts and materials available to tinker and build with that people otherwise just throw away. I can still get in the house, just about.
Steven this is my first ever post since CZcams started. I just wanted to say thank you. I enjoy your watching your channel.
i love how you mentioned tau radians and made me look it up (i have never heard of tau before). It definitely seems very helpful over using pi in a lot of cases!
Don’t know how I ended up on this channel but it’s safe to say I’ll be staying for awhile. Very funny and yet some how educational I love it 😂👏🏽
In terms of where the energy is coming from, you're basically creating a region of higher magnetic energy around the magnet when you move it around, so it's like if you moved an inclined plane under a ball, the ball would move, but since it's with magnets this energy gradient is just a lot less obvious. Similar to the ball and hill analogy, the ball exerts a force on the hill, and in keeping the hill steady and moving it towards/under the ball you perform work to increase the potential energy of the ball
Quality content right here, hilarious yet informative. Good work.
Brilliant delivery. Thanks and keep it up Steve
I really got my mind blown when you actually opened the mirror and there was _nothing besides the magnet_ in it
Always learned new things from your videos, thank you!
This is the sort of toy that just appears magical. Loved it!
Entertaining and educational just what I would expect from you this is why I show up every video keep up the good work!
Hi Steve, I'm curious to see what would happen if you use the repulsion force on the ballerina, but instead of a flat surface, on a slight slant, concave and v-shaped so that the ballerina would be pulled down by the gravity, but towards the center where the magnet is.
I imagine that it would have an equilibrium point, where the ballerina wouldn't go up or down, and it would eventually stop rotating, nevertheless it would be interesting to see if this would keep the momentum for longer.
Or, place the ballerina on a spindle so it can rotate but not move away. I’d love to see this tested.
If it's not going up or down it's not rotating.
@@Anankin12 The ballerina is pushed by the magnet, so if you have an inclined surface, this repulsion would be less due to the gravity. The idea is to see if the ballerina keeps on rotating for longer.
It can't rotate forever, obviously, we know that, but I think with enough tweaking of the surfaces in contact with each other, and the design of the base of the ballerina, the friction could be less pronounced and we would be able to get it to rotate for longer
@ If the surface would be slightly tilted upward (related to the mirror), the ballerina would just move to the left if the rotation is set clockwise. And vice versa. And if the surface would be tilted downward, the ballerina would slide or roll away from the mirror by its own
@@sigisalmen2399 that's why I said in a v shaped surface, so no matter where the ballerina tend to go, it will always slightly fall towards the centre, where the magnet is
Be careful Steve, you might be kidnapped by Big Energy to be turned into a Mould Ballerina perpetual motion machine.
I loved the experimental portion of the intro. Particularly the flat bottom part, very relatable.
steve, this video elevated my spirit, thank you for everything you do ☆
Instantly subbed for the face you made when spinning in front of the mirror, it just killed me :)))
The part with you in the mirror and skirt was hilarious and absolutely worth it! Thanks!
I thought it was pointless, but Brits love making fun of viewers, they love mocking... like many Americans or people with shallow levels of intrigue.
It's soo dumb and that what makes it hilarious
The angle causing attraction and repulsion and hence a torque is similar to that used in Stepper Motors. Steve, you can understand easily if you don't know. Because you brilliantly explained the digital square wave and 32 bit system like I've never seen before.
randomly came across this video, love the information and presentation. subbed and hope you have more :D
Oh it’s not spinning it, it’s simply pushing it away!
I really didn’t expect the bottom to be that important.
The Ballerynamo might not work, but to get energy out of thin air is actually quite easy, although ethically questionable. Just tape a buttered toast on a cats back (buttered side facing away from the cats back) and drop the contraption. As a buttered toast will always land on the buttered side, and cat will always land on its feet, when reaching a height of exactly 2.39 feet (assuming a point-shaped cat in a vacuum), the contraption as a whole will start spinning around its spine at a frequency of precisely 7.9 revolutions per second while stopping to descent any further.
The cat might not be amused, though. Do not try this at home or anywhere with a real cat!
This won't work. It's impossible to get a point shaped cat in a vacuum as the hose is far too small.
@@rjmun580 also the cat will die due to the vacuum, and as we all know dead cats no longer land on their feet, so the whole contraption will land on the face of the sandwich ...
@@brag0001 use a Schrödinger cat. It’ll be fine as long as you don’t check up on it.
@@jeremypnet but since you cannot extract energy if the Scrödinger cat is dead, the generator doubles as an observation, collapsing the quantum states. You would need to repeat the experiment until it works, and Scrödinger cats are hard to get.
@@aaronbredon2948 It still works. Schrödinger cats have a sort of effect on the surrounding area, so that, just as the unstable atom can both lose all energy and continue at full strength at the same time, so too the turbine pole (whether solid, magnetic, or whatever) that is needed to obtain energy from the Catoastrophe Generator can spin forever while remaining completely still.
Love your comedic side, I loved it mate
Steve, I love you! Keep up the awesome work.
Oh man, that explains why I also start spinning every morning when I cross in front of the mirror!
Magnets never disappoint... I could be playing with magnets a whole Sunday morning 😏🙄
For some reason I'm reminded of how I plugged a pair of speakers into the mic slot and was able to use one of the speakers as a microphone. I know it's obvious to some people, but that was surprising to me. It's the same idea with a motor also being a generator or an LED being a solar cell. I wonder if you can use a heater to convert heat into electricity somehow. I know you can convert heat differences into electrical energy, but I've never looked into it in any detail.
steven, you're awesome. your humor is spot on
Great one. Thanks for the quality and the humanity.
The dad joke level is high in this one. Love it.
I have never seen a beautiful ballerina like Steve mould.
Super solid. Loved this vid. Learned something, too.
Wonderful! So simple yet clever.
Quick idea: What would happen if you held the spinning 'ballerina' in place with an axle attached to the bottom with a universal linkage (to allow for the tilt), and held the 'mirror' in place? Would it still spin, even though the 'mirror' is not being pushed towards the 'ballerina'? Conservation of energy says no, but the only reason my (obviously naïve) brain can think of would be increased friction, which could be accounted for with stronger magnets.
What makes it spin is rolling on an off-center balance point on the domed bottom. In your scenario, it would just tip away on the universal joint, and be kept from rotating around that point because it is constrained by your axle to rotate around the axle.
@@MordecaiV That's a good point. Another idea I had was, forgetting the universal joint, placing the edge of the dome against some tilted rollers or ball bearing and the bottom on something slippery or floating in water . This way it can still spin, but it is held in one place. Would the magnets still make it rotate?
@@sajanavithanapathirana6761 If you're looking for a way to stop the 'ballerina' from moving away from the 'mirror' and still spin, you won't find it. The spin is caused by the movement away from the 'mirror'. Constraining the backwards movement just leaves you with the tilt. See 4:08-4:26 for reference.
@@lonzo344 That makes sense, thanks
I'm so glad you asked this, I had the same thought. Thanks for the answers guys, I understand now. Very cool.
0:35 😅 Actually, It's unpredictable. But you did for sake Physics . 👍🏻
This is the kind of interesting and entertaining content I didn't know existed. Thank you Steve. 🥰
Steve is such a dork and I love him for it
1:18 huh...🤨 where the hell did you stuck the magnets in yourself ??🤔
In his back.
I didn't expect this video to be as funny as it was. You match comedy with education perfectly and it's so great. Keep it up man
This is a perfect example of why I love your videos
Kiwi co seems good! Adorable children learning things, awesome!
Great video Stwve!
And now you just have to explain how magnetism works in an easily comprehensible way.
When *I* wear a skirt and inevitably spin in front of a mirror, that's gender euphoria. When the ballerina toy does it, it's magnets. There's only one conclusion to draw: we need to reformulate Maxwell's equations to account for the "skirt go spinny" term. I'm pretty sure if we did that, we'd finally get an explanation for dark matter, the muon g-2 anomaly, and the nonexistence of magnetic monopoles.
The universal truth of trans + skirt: skirt go spinny!
(On an unrelated note, heat from fire)
@@juliaf_ ...fire from heat
*_“You had to put the 'skirt go spinny' term you asshole”_*
- Nikola Tesla to Thomas A. Edison
About the AC generator and the usage of alternate current
Came for this comment and was not disappointed.
Thank you for your service o7
💃💃💃💃💃💃
Yes the skirt go spinny term is the missing piece!
man you crack me up every time with your video ideas
Thanks for the good laugh Steve Mould I needed it today. 🤣
I haven't watched it yet, but great vid
Lol
It is
Motto of Steve mould shorts: "Because no one wants to rotate their phone."
You look great in a tutu, Steve!
Thanks for the great content!
To be clear: of course, the energy comes from the mirror being pushed towards the ballerina.
What would happen if you put it in some sort of bowl where the ballerina could move away but then slip back down? Would it be the same as it having a flat bottom?
interesting variant. but no, it would stop, the sliding back would be too small to generate enough to overcome the slope of the base with every turn. would have been nice it this worked... and for how long.
It wouldn't slip back down unless you pulled the magnet away, so you are still expending energy to get it to come back and would need more to push it away again.
both funny and informative. thanks steve
Superb, entertaining video. I like the balerina part and love the free energy part!
Now I'm imagining magnetic subbuteo. The figures have one leg sticking out like a hockey stick, so the foot can kick the ball as it rotates.
Been following the James Webb Space Telescope, and I would love to see you do a video on lagrange points, not quite wrapped my head around it, I think it needs an intuitive steve mould explanation!
REALLY entertained by this one, great job as always Steve!
This man's charisma is off the damn charts. Respect.
Actually, the N in a compass is the South pole of the compass, that way it is attracted by the North pole of Earth. So compasses are always mislabeled on purpose
I believe that on the North geographic pole is the South magnetic pole and the compas is ok.
there is no south, its anything polar opposite.
It’s just the other way around. The north on the compass is the magnetic north. Ist just that the earths „north“ pole is actually a magnetic south.
My understanding is that The North Pole (the place) is a magnetic south pole. So the north on a compass is an actual magnetic north. I made a video about it! czcams.com/video/wQV1Ao5SbY4/video.html
1:24 Is that a Jojo's reference?
How
@@shreyanshpandey5241 Yare Yare Daze.
You clearly aren't jojo fan.
@@ashmit8274 who tf is jojo ?
I love how this guy makes simple toys complex.
Thanks for the great video and great sense of humor! I use magnets in my scientific work and I also teach magnetism at the university, I will definitely recommend this video to students.
0:43 Did you just say "a quarter tau"...?
Steve. Steve. Please. Stop. Pi is the true circle constant. Tau is just a pretender.
Best video ever! You go Steve, you keep twirling!! :-D
When I was a kid, I loved taking things apart and put them back together, and actually have it work.
Today video was very fun to watch with all of the humour.
I love it!
I was having a bad day, I did not know it but Steve in a tutu was just what I needed.
Very entertaining! Loved it Steve! Loved it.
Steve finally snapped after all these years
Dude, you're the best, best youtuber so far, i had the responsd of the video in your first few seconds and i could just close the video and move on but I stayed and watched it all from respect. Good job.
A trivial mystery narrated suberbly results in a suberbly entertaining video. Well done sir!
That was marvelous! Loved it!!!
Your daugter's skill is incredibly useful. Creating things at her age could lead to an excellent job with awesome pay. For example, creating newer headphone styles and other inventions she could invest in.
Bro what were you on? You were on a tear at only 2 minutes in. Great content as always!
I LOVE these silly yet very informative videos :D