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This tiny wearable can tell you when you need a drink

Researchers at North Carolina State University have developed an ideal wearable to pair with a fitness tracker for those extra sweaty workouts: a tiny Bluetooth-sensor that tracks skin hydration.    The sensors have much more potential than just reminding runners to drink up after a 5K — according to the research team, the hydration-tracking tech could be a valuable tool for monitoring vulnerable people working in stressful, hot conditions.  “It’s difficult to measure a person’s…

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Source – Mashable:
This tiny wearable can tell you when you need a drink

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