News Materials Science

New device can transmit underwater sound to air

Metamaterial could improve marine-life monitoring and underwater communication, but applications are a long way off

illustration of a metamaterial

SO META  A new metamaterial, illustrated, uses precise vibrations to allow underwater sound to be transmitted through it. (Blue and red show vibrations in opposite directions.)

Sam Lee/Yonsei University

By Dan Garisto

- More than 2 years ago

Don’t expect to play a game of Marco Polo by shouting from beneath the pool’s surface.