On 20/10/2011 05:32 PM, Warp wrote:

>    I don't really understand why some people get so excited about these
> "levitation" experiments. They are no different from airplanes and
> helicopters. All of them hover in the air without toucing the ground.
> The mechanism is just a bit different depending on the phenomenon.

Helicopters hover by expending vast amounts of energy per second. This 
levitating magnet appears to expend no energy at all.

>    What makes the "levitation" of a superconductor over a magnet (or the
> other way around) so cool is that it's not something you experience in
> everyday life (for obvious reasons).

WRONG! The thing that makes it so cool is the liquid nitrogen. :-D

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