Gyroscope

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A toy gyroscope demonstrates the remarkable consequences of angular momentum.

[@greenim]

To whomever is narrating this video, you have a very listenable voice.

[@jackas95]

today i have gyroscope in my smartphone

[@saprasla]

amazing to learn how scientists exploits law of physics to develop amazing technology!

[@surberboy]

Will one spinning gyroscope sit atop another and stay? That would be cool to see.

[@chanman201]

my mind is blown

[@GloomyHouse]

WHyYYYYYY!!! ...someone please xplain to me the physics behind the part where it appears to defy gravity.

[@Stoozor]

This is undoubtedly a toy I would buy to my kids so they get an intuitive understanding of the physics at play there.

[@denisliossi]

Very important information and considerations. Thanks!

[@NickmanGiovanni]

Moment, or torque, is defined by the equation: M = w x H Where w (omega) is the precession rate of the gyro, and H is the angular momentum, or I*w of the gyroscope itself. The gyroscope rotates around the black stand at a rate w because of the moment which gravity creates on it, thus keeping it from falling down. Also, angular momentum is always trying to align itself with the torque, explaining the constant precession (w) which we can clearly see.

[@CrazyJoe136]

Incredible isn't it? Once you have a great teacher like this, you can become interested in anything.

[@LadyTink]

Also, angular momentum is the one thing I've had the biggest issue learning how to program into a physics engine.

[@gulllars]

Interesting... Maybe i'll have to buy a couple of these. I already know a bit about the gyro-effect in practical scenarios (i ride a motorcycle), and i've got a gyro-ball thing for training the lower arms (a fun device for quick brakes between hours at the computer), and a gyroscope would be a great thing to mess around with.

[@MrMeanderthal]

I had one of these 40 years ago and they're still exactly as I remember, colour and all.. it's cool they still make them..

[@Keex11]

the principle is to have a fast spinning gyroscope that does not change the angle of it's spinning axis. that way you can scan the relative angle between spinning axis and the rocket and have a precise measurement for the direction the rocket is pointing at. most rockets (or the ISS for example) use multiple gyroscopes for measuring different directions in space. in the video this principle is shown from 3:30~

[@z00lky]

and this is in your phone

[@Pr0fess0r582]

how many people instantly googled and purchased a Gyroscope after they watched this? {raises hand}

[@Ignorantf00l]

I always knew that Gyroscopes are important in navigating, but I never thought they are this awesome. My jaw dropped.

[@eigentensor]

"the first thing i notice aboot the spinning gyroscope..." canadian spotted!

[@persaudchris]

that was an awesome and interesting piece of work

[@Interzone88]

Been looking for a video that demonstrates the properties of Gyroscopes. Thanks

[@Valenet94]

This is so awesome and now i want one.

[@michaelyo]

Think of it this way. If a downwards force (say gravity) acts on the right side of the wheel it will have a tendency to fall on its right. But the fact that the wheel is spinning; the right side is now on the left and the downwards force is on the left side. Same condition for the left side of the wheel spinning to the right. Its explained well by angular momentum. The sum of angular momentum (in direction of sum of torques) makes it precess hence its spins (Not the wheel, the whole frame)

[@noblessus]

The explanation of how it works is rather simple: A spinning disk resists changing forces to its orientation due to inertia. When it is positioned as in 1:46, in order for gravity to make it fall, it needs to make it change its orientation; but the force of inertia is greater (depending on the spin-speed) and therefore, since gravity cannot change its orientation (make it tilt) then the gyroscope is stable in that position. When the spin decreases enough, gravity wins over inertia and it falls.

[@Pegasusthebeyblade]

i have a suddden earg to bye aa gyroscope now

[@rockyIV0100]

big plane carriers also use gyroscopes for their stability

[@anirban17aug]

WOW every comment has a thumbs up. Thumbs up to all. Amazing stuff feeling like a kid now

[@Bugglesfan79]

Another awesome video 5/5!

[@spellinganimals]

I have that exact same kind, and you just showed us the 4 tricks on the manual! LOL!

[@DiarmuidNZ]

Excellent videos: many thanks.

[@joeplay101]

i had one of these when i was a kid. never knew it could do all that stuff. it came with a piece of string, always wonder what that was for.

[@mannequinfukr]

it is recommended because spinning by hand will not be fast enough and those high rpm motors will damage the rim

[@TomShootsPhoto]

Really good video, explained the gyroscope very well.

[@Incuby]

Damn.. i dindt know physics can be so interesting ^^

[@KingOfTheStoneH]

wow just incredible, i love it

[@gamerfuture]

incredible video

[@AleifrLeifrson]

@fallenspirit123: The Chikyu Goma was pretty trashed after a couple of days. I don't think I treated it badly, it probably just isn't very durable. I don't know about this one though, haven't tried it.

[@timone1002]

its simple. imagine as the wheel is spinning you put pressure on it to lean to one side. so if the wheel wasnt spinning it would want to lean to that side. but because the wheel is spinning that force is carried over to the opposite side(when the wheel gets there as its rotating) which counter balances the original movement to one side.

[@784563]

awesome technology!

[@falcosaurus]

hey man thanks a lot for this... It reallllllllly helped me out!!

[@Yougimpytube]

I like how he includes a helicopter in the list of things that use gyroscopes, but doesn't mention that the helicopter's rotors themselves act as a gyroscope.

[@gwengurts]

No, an accelerometer is found in most smartphones, Accelerometers detect the angle and velocity of the device and sends data to the CPU accordingly for a reaction.

[@Brutalexecution]

very nice videos! thanks, man!

[@Szasz0407]

nice demonstration :) I wish there were more of these.

[@zcxvasdfqwer1234]

Nikola Tesla's suppressed flying machine was to have gyroscopes in it he said, "Through gyroscopic action of my engine...my airship will have neither gas bag, wings nor propellers. It is the child of my dreams, the product of years of intense and painful toil and research. I am not going to talk about it any further. But whatever my airship may be, here at least is an engine that will do things that no other engine ever has done, and that is something tangible."

[@chakathewolf]

I know that gyroscopes used in inertial guidance systems are more complicated than this, but they must precess just like this one. How is that compensated for so that the aircraft doesn't rock back and forth?

[@j0rr]

well, gyroscopes are used in planes, they must be started on land because when youre up between or above the clouds then you know your flying angle.

[@JBoo]

OMG this is sickkk I want to buy one.

[@danielglavas]

i like videos like this.they're great

[@kashanjafri01]

Really Informative Video, Thanks

[@LFSPharaoh]

if you didn't at least smile a little at 1:28 you're just a straight up boring person, my friend and I discovered gyroscopes when he had some hard drives he was about to throw out, we plugged it in and tried to move it around with our hands and it resists everything sooo coool

[@Pl4rk]

this is very interesting, nice vid

[@smiche2]

I woned why dont they use gyroscopes in robot toys.They would be way more stable and able to walk without falling or looking akward.Also gyroscopes are used in big ships so that the waves in the sees dont take them down.Titanic i think was the first ship with a gyroscope.

[@erico1st]

I bought one of these immediately after seeing this :D

[@dkdabekar1]

awesome !!!

[@aqwiz]

actually it is based on the movement of the gyro, the gyroscope (or multiple gyroscopes) are held in place in a mount, and the mount gets rotated by motors, which increases the resistance in one direction (opposite the movement) and it transfers to the mount, since there is nothing on the mount or rocket holding it in place

[@nopoint313]

Damn dude... The things people think of...

[@fallenspirit123]

yeah I know chikyu goma is 17 euros but in U.S. dollars ilts like 30 or so isnt it? and I see your point :)

[@vitruvian8807]

What if you stack two of them together?

[@therealjordiano]

this blew my mind lol, srsly

[@xRU16YTx]

well when you spin somethign it gives it gravity right?

[@kontact666]

I want one!!! An angular momento? Is it the force that resists attempt to change the device position?

[@KyleAButler]

I have one of these now!

[@Shabe67]

YEAH, SCIENCE!!!

[@jihadpizza]

Very Cool Stuff. Thanks for uploading. =) 5/5

[@cpinnago]

Brilliant.......Conservation of Angular Momentum at best !!!

[@Sunrainwolf]

great!

[@lolzdecap]

Awesome! Mine is about twice the size, but you have to be careful with mine. It almost took my finger off.

[@asen97yoyo]

WOOW! Physics' great

[@kontact666]

Bought it. I can witness it's working just like they show. The gyroscope costs 12 euro but you need additional 7 euro for shipping cost.

[@NamishuHatake]

Amazing

[@fakeaccount663]

i have the Japanese 63mm Gyro-Top (Chikyu Goma) its the best toy gyro you can get

[@Rhomeozon]

where can i buy a gyroscope? what store? anyone near north hills? what kind of store?

[@Joobacca0319]

i have that EXACT same gyroscope

[@hakuuo]

This video it's very interesting... We can learn a lot with vids like this one!!!

[@iwan0t0smith]

if you were to put a propellar in the spinning bit would you be able to produce a stable simple helicopter

[@Kewkky]

Prevents them from spinning out of control.

[@hawkister]

i want one now...

[@DaCheeseKing]

did u get that gyroscope from the museum of natiral history in nyc

[@umagihirou]

can you use floss to spin the wheel?

[@mjolnir1981]

Gyroscopes were used in ships to help them stabilize in the open sea. Obviously not any more

[@AnbuSoldier87]

angular momentum right?

[@fran6b]

Internet is awesome! I red on a sport wedsite that a doctor use a gyroscope to do something with concussion. What's a gyroscope? Google image it, than google video it and here I am. Wow! This thing is awesome and want one! Quick turn by eBay and I will receive my gyroscope soon. All that in a second without moving my rear. I had to tell someone. : )

[@keffje007]

Very very interesting

[@Hypastpist]

IT SPINS!!!!!

[@ducttaperulestheworl]

my gyroscope had lost it's stability T_T everytime I spin it it shakes and vibrates a lot.

[@freeloaderchriss]

is this like an accelerometer in iphones

[@callmeYEL]

i dont understand, how does it maintain its balance?

[@thegamerking97]

i agree i love how every comment is thumbed up

[@raikadoygo]

amazing

[@kai2698]

so that's what it does lol. as a kid i thought it was just some toy xD

[@gamerfuture]

awesome i love physics

[@johno993]

very nice :)

[@steinrobi]

Awesome

[@aviza12]

at first, i thought that the inner frame of the gyro acts like helicopter's blade - creating elevation (when it's rotating rapidly) and supporting it when it stands horizontally, but than i saw 1:49 ...

[@JoshuaWang010]

thats cool!

[@QCW089]

does anybody know how this thing actually works in the V1 & V2 rocket or the ICBM n guided missile??

[@HansVanIngelgom]

Huh? I thought the mars rovers used laser gyro's? (sending laser light through a spool of optic fiber and measuring the phase difference as it comes out?

[@MrTangoRomeoDelta]

science!

[@MDolan]

Dam, I broke my gyroscope and it turns out that I wasn't using it properly.

[@drunkymistake]

physics is awsome! wher can i get one of these?