Tiny Music Player Made from Wire Bridge (w/ Video)

(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker made of tiny aluminum wires suspended like a bridge between two supports, producing sound in a similar way. The new wire bridge also has the advantage of being much easier to fabricate than the nanotube device, offering the potential for a wide range of audio applications.

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