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Photograph by John B. Carnett

The Olympia Soundbug can turn most smooth, flat surfaces into a speaker. The key: When a magnetic field is applied, a smart military material called Terfenol-D creates vibrations to generate sound. Its tinny audio isn’t anywhere near stereo-or even boombox-and it doesn’t work
on hard-to-grip wooden surfaces. Price: $50.

www.soundbug-us.com

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