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iCandy: Made to Measure

Keeping tabs on air, oceans, food, and beer

1 min read

Photo: Bryce Vickmark/The New York Times/Redux
Researchers at Tufts University in Medford, Mass., have developed techniques for spinning silk into diffraction gratings and other structures that have myriad applications, depending on what they’re paired with. The device shown here, which has a silk substrate overlaid with gold, is a radio-frequency identification coil designed as a biosensor that tells you when food is spoiled.

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