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Jewasity · Nov 12, 2026

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Researchers built a watch strap with a tiny 5x4 mm radar that turns your forearm into a trackpad. It reads finger pressure to scroll, zoom and click, and hit about 93% gesture accuracy in tests with 20 volunteers.

Researchers built a watch strap with a tiny 5x4 mm radar that turns your forearm into a trackpad. It reads finger pressure to scroll, zoom and click, and hit about 93% gesture accuracy in tests with 20 volunteers.

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