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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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[–] 18 points 1 year ago (3 children)

So how long before our phones can measure heart rate from your pocket, or being held in your hand?

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  • [–] 29 points 1 year ago (1 child)

    They already can by putting your finger on the camera and lighting up your finger with the led light. Then it detects the rhythmic changes picked up by the camera... At least 10+ years ago. It was a good novelty feature, but turns out, for most healthy people, checking your heart rate gets old after a few runs.

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