Invisible wrote:
> As an aside, I saw some physicist has built a flying machine that defies
> current understanding. The device really does fly. And the scientists
> really have no clue why it flies. (As best as I can tell, the device is
> some sticks of wood with wires strapped to it, and you pump very high
> voltage, high frequency electricity through it, and this makes it
> levitate for some reason...)

I think I have seen that. Doesn't seem too difficult, if the wire and
sticks are light weight. A high voltage  would create some ionization
which would direct the air to flow around the wires. If everything is
small enough then that air flow, and the turbulence from the air hitting
the surface under the device, should be enough to lift it.

Look up negative ion generators, or build one yourself they are rather
easy. A bunch of capacitors and diodes in a ladder like arrangement.
"Capacitor diode ladder" being a good phrase to start googling from. Or
to just see it in action, and explained, check the Mythbusters
http://www.youtube.com/watch?v=Jk2GGoMJ7NU

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