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A comment on Wi-Fi Signal Tracks Heartbeat Without Wearables. Parent comment

Re:Wi-Fi Signal Tracks Heartbeat Without Wearables by lima on Friday October 10, 2025 @08:01PM (#45545157)
Dubious utility aside, this is a solved problem using mmWave.

Google even ships it in some Nest displays for sleep tracking...

[ Parent | on HN ]
Re:Wi-Fi Signal Tracks Heartbeat Without Wearables by loverofhumanz on Friday October 10, 2025 @08:10PM (#45545215)
Wifi seems much more capable and harder to defeat? A heavy coat could defeat mmWave, I believe.
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