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This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!

 
Just shine your lazer...GO
User ID: 22573986
United States
12/27/2012 10:58 AM
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This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
[link to phys.org]

This is just so cool! According to the article, the amount of weight the graphite disk can handle is equivalent to the size of the floating disk. If this is true, we've got maglev transportation right now!
Anonymous Coward (OP)
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12/27/2012 11:05 AM
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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
"Whereas the laser was aimed right in the center of the graphite disk when controlling its height, aiming it at the edge of the disk changes the temperature distribution, and thus magnetic susceptibility distribution, in such a way that the repulsion force becomes unbalanced and the graphite moves in the same direction as the light beam."

How cool is that. By simply disrupting the temperature distribution in the disk with the laser, the disk moves toward the disrupted area.

Man, what I'd give to see if this works with a human sitting on a giant disk floating over a magnetic sidewalk!
Anonymous Coward
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12/27/2012 11:07 AM
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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
"Rotation also occurs when the set-up is exposed to sunlight. By converting solar energy into rotational energy, the disk can reach a rotational speed of more than 200 rpm, which could make it useful for applications such as optically driven turbines."

Now that is intriguing.
Crazy Harriet

User ID: 21725813
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12/27/2012 11:11 AM

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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
Let's get this going.
Not another lousy foreign actor in the White House - Liam Neeson 2016! A foreign actor you can believe in.
Anonymous Coward (OP)
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12/27/2012 11:14 AM
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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
Hey I'm just an AC so anyone with an account feel free to post this up and get it out there for everyone to see!
Anonymous Coward (OP)
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12/27/2012 11:42 AM
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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
bumphf
Anonymous Coward
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12/27/2012 01:24 PM
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Re: This is IT guys! Magnetic levitation without cold temps! Really exciting stuff!
I wonder how strong the torque is?

Wonder if the disc would go faster if I placed a magnifying glass between it and the sun?

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