motion sensors
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Google’s Experimental Radar Sensors That Replace Buttons With Gestures Get FCC Approval
Back in 2015, Google’s Advanced Technology and Projects group (ATAP) showed off tiny radar-based sensors that would let you control your gadgets simply by tapping your fingers together. But it wasn’t until earlier this week (and after a small push from Facebook) that Google actually got the go-ahead it needed to deploy its tech in…