Underwater movement sensor alerts when a swimmer might be drowning (IMAGE)

American Chemical Society

Underwater movement sensor alerts when a swimmer might be drowning

Caption

An underwater movement sensor attached to a motorized swimming doll’s knee alerts a smartphone app when the doll stops kicking, simulating a swimmer in distress.

Credit

Adapted from ACS Nano 2022, DOI: 10.1021/acsnano.2c08325

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