Invisibility cloaks may be just around the corner

Friday, March 4, 2011 - 11:30 in Physics & Chemistry

In 1897, H.G. Wells created a fictional scientist who became invisible by changing his refractive index to that of air, so that his body could not absorb or reflect light. More recently, Harry Potter disappeared from sight after wrapping himself in a cloak spun from the pelts of magical herbivores.

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