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Engineers devise invisibility shield

Invisibility. How’s that for a headline? Nature reports that two engineers have devised a method to essentially cloak objects by reducing light scattering. This could have interesting applications.

Andrea Alù and Nader Engheta of the University of Pennsylvania in Philadelphia say that a ‘plasmonic cover’ could render objects “nearly invisible to an observer”. Their idea remains just a proposal at this stage, but it doesn’t obviously violate any laws of physics.

The full text of their paper can be found here.

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