Mathematicians Design Invisible Tunnel

New calculations show how to make an electromagnetic "wormhole" — a tube that is invisible from the sides but allows light to shine down the center. The practical applications are a ways off, as even the design of a spherical invisibility cloak has not advanced beyond working (in theory) for a single wavelength of visible light.

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Link to paper

[Plutonite]

Because I love you all:

http://arxiv.org/abs/math-ph/0703059