Saturday, May 12, 2012

Acoustic graphene could act as a sonic cloak - New Scientist - New Scientist

Acoustic graphene could act as a sonic cloak: By drilling holes in a hexagonal pattern in a sheet of perspex, researchers in Spain have created what they have dubbed "sonic graphene".

The holes act like an array of organ pipes that trap the sound as it moves across the surface... the sound moves in the same way as electrons in graphene, with almost no losses

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