Articles on Wearable technology

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Fitness information from wearable devices can reveal when the body is fighting an infection. Nico De Pasquale Photography/Stone via Getty Images

Wearable fitness devices deliver early warning of possible COVID-19 infection

Fitness information like resting heart rate collected by wearable devices can't diagnose diseases, but it can signal when something is wrong. That can be enough to prompt a COVID-19 test.
Tiny fuel cells convert sweat to electricity that can power sensors in electronic skin. Yu et al., Sci. Robot. 5, eaaz7946 (2020)

A smart second skin gets all the power it needs from sweat

Lightweight, flexible materials can be used to make health-monitoring wearable devices, but powering the devices is a challenge. Using fuel cells instead of batteries could make the difference.

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