Robert K. O'Daniell
University of Illinois professors Harley Johnson and Dong Xiao talk about theoretical invisibility in the Mechanical Engineering building on the UI campus.
URBANA – Harry Potter's invisibility cloak may soon be within the reach of any ordinary American with a little silicon photonic crystal and a Ph.D. in engineering.
Say you have a battleship and you want to park it in the Boneyard without plugging quarters into Champaign's exorbitant meters. The cloak thought up by two University of Illinois researchers would bend light around the battleship, saving you from getting a ticket.
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