Flexible Electronics News

SRI is Developing Textiles that Record Audio

Turning piezoelectric materials and lithium-ion batteries into thread, innovators will weave fabrics that record sound.

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By: DAVID SAVASTANO

Editor, Ink World Magazine

Piezoelectric materials are a marvel. Twist them, squeeze them, bend them, stretch them, and they produce electricity. The last time you started your gas grill with a push-button spark, you likely did so thanks to piezoelectricity.  Under a contract from the Intelligence Advanced Research Projects Activity (IARPA), an expert team led by SRI research engineers Marcus Bagnell and Nicole Heidel, specialists in fiber technologies and collaborators at North Carolina State University and Internatio...

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