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A Health Monitoring Sticker Powered Phone

by Katherine Bourzac

Stretchy electronics offer wearable health gadgets without batteries.

Picture a health-monitoring patch you wear like a tattoo and that doesn’t need a battery. That’s the idea behind a demonstration by John Rogers, a stretchable electronics pioneer at the University of Illinois at Urbana-Champaign, whose lab created a stretchy skin patch that uses light pulses to monitor heart rate or sun exposure.

Read more on technologyreview.com.

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