Walls can speak ... inside planes.

AuthorWilliams, Robert H.
PositionTech Talk - Brief Article

Flat-panel speaker technology originally developed for the military is finding application in the commercial aircraft industry. The United Kingdom's military research agency, QinetiQ, discovered more than a decade ago that panels surrounding the interior of an aircraft cabin are efficient conductors of sound. The technology was licensed to NXT Plc and evolved into distributed mode loudspeakers.

QinetiQ, meanwhile, is marketing this technology to the aerospace industry...

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