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WiFi signals can measure heart rate—no wearables needed (news.ucsc.edu)
submitted 1 year ago by to c/technology@lemmy.world
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[–] 79 points 1 year ago* (4 children)

Wifi sognals can read my heart rate, and be used to track me around my house. But I still can't get a signal in my room one floor up from the router.

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  • [–] 7 points 1 year ago (3 children)

    This is the key point - these have to be clear signals in the same room.

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