collision detection: October 2008 Archives

Standard

the invisibility cloaks all work by hacking the wave nature of light. The cloak consists of a round barrier around an object that takes incoming waves of light — microwave or visible — and reforms them, almost perfectly, on the other side of the barrier. Since the waves coming out have the same shape as the waves going in, presto: The object becomes invisible.

via collision detection: October 2008 Archives.

Cool!

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