Engineers devise invisibility shield
`The idea of a cloak of invisibility that hides objects from view has long been confined to the more improbable reaches of science fiction. But electronic engineers have now come up with a way to make one. [..]
But the invisibility shield proposed by Alù and Engheta in a preprint on arXiv1 is more ambitious than this. It is a self-contained structure that would reduce visibility from all viewing angles. In that sense it would be more like the shielding used by the Romulans in the Star Trek episode “Balance of Terror” in 1966, which hid their spaceships at the push of a button.’
