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PT 1: Maglev toy: diamagnetic pyrolytic carbon lifts magnets



Uploaded by: wbeaty
Video Description:
A supermagnet cube floats between graphite disks. The cube is lifted by the ceramic magnet a few cm above, while the two carbon disks repel the cube, keeping it stable. This is the small physics toy sold by Dr. Martin Simon a few years ago (no longer avail.) A larger version is sold on Educational Innovations website. Or buy pyrolytic graphite wafers from http://scitoys.com, and supermagnets from http://www.wondermagnet.com


Tags for this video: amasci antigravity diamagnetic graphite levitation maglev magnet magnetic neo neodymium pyrolytic supermagnets

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Interesting, so ... ( 1 year ago by NorbPwn)
Interesting, so theres a "magnetic drag" from the carbon, what if you used a spherical magnet in a vacuum, would it spin longer. One thing I was wondering about these magnets is their field of power, or range that is, i read that some are strong but have small range, are there magnets that work from a distance, for example i walk 10 feet from a monitor and the screen gets disrupted by the magnet?Cont.->
Array ( 1 year ago by NorbPwn)
<- Is that possible, and also, some website see N45 magnets at considerably different prices, is it just the sight, or are some N45's made differently?
This is nice ... ( 1 year ago by adrianTNT)
This is nice ...
Could you ... ( 1 year ago by suezannec)
Could you incorporate a voice coil into the process, hook the voice coil to a stereo, and make a suitably shaped supermagnet serve as a speaker diaphragm?
Tear the coil out ... ( 1 year ago by wbeaty)
Tear the coil out of an old loudspeaker, plug it into a headphone signal. Bite a supermagnet between your teeth, and hold the coil near the magnet. Music plays inside your head!
Passing a current ... ( 1 year ago by locouk)
Passing a current through a magnet makes it spin, (Basic motor)so if you had a 'C' cell and passed a current through the magnet using fine wire would the magnet spin?
the polarity of the ... ( 1 year ago by RainMan002)
the polarity of the magnet is up/down.
basic motors make it flip over the polarity.
basically a motor would try to spin in a different plane.
Errr... good point, ... ( 1 year ago by locouk)
Errr... good point, I was thinking like a bearingless homopolar motor. That has the poles verticaly so I was thinking if you passed the current via copper wire verticly through the magnet, would it rotate?
I had never heard ... ( 1 year ago by RainMan002)
I had never heard of a homopolar moter before and had to look it up in google. Ithink you would still get drag from the wires touching the magnet. If you saw what wBeaty posted at the bottom, he referes to using light to make a motor out of it. I have seen this before. They put black on the left half of each face and white on the right and shine bright light on it and it spins.
Haha, check out ... ( 1 year ago by theburford)
Haha, check out dude's goatee, that rocks! Physics nerd with a graying goatee, my role model!
im trying this and ... ( 1 year ago by ppcgnamda)
im trying this and if i get hurt i sue...
very interesting! ( 1 year ago by sanddragon99)
very interesting!
I've posted you ... ( 1 year ago by picobyte)
I've posted you another diamagnetic experiment, it's very easy yust hold a magnet near a small stream of water and you will see it bend :)
where can i get ... ( 1 year ago by Timbo17932)
where can i get pyrolytic graphite?!!!
thats like telling ... ( 11 months ago by blahdob)
thats like telling somebody who said "shoot yourself" that.
Array ( 11 months ago by wbeaty)
> where can i get pyrolytic graphite?!!! Click on "more". It gives info in "About This Video"
wow even though i ... ( 11 months ago by Voodude666B)
wow even though i know at 0:58 that its real, it still doesnt look it.
Hey, try use one of ... ( 6 months ago by hydrogenman15)
Hey, try use one of those cheap fan motors to make the magnet spin very fast.
that just looks ... ( 5 months ago by cribcat1)
that just looks like fun!
interesting! I ... ( 5 months ago by ochami)
interesting! I really want one.
if you create a ... ( 4 months ago by labtecpower)
if you create a vacuum between the plates, would it spin forever?
Array ( 4 months ago by Jenfucius)
Me too!
I think its totally amazing!
Muy buenoo! Yo ... ( 3 months ago by pablitorebora)
Muy buenoo! Yo tambien quiero uno!
i want the magnets ... ( 5 days ago by S0ADaP0P)
i want the magnets lol..... alot of them though



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