UNIVERSITY PARK, Pa. — A Penn State-led team of researchers has literally put pencil to paper to create an accessible, affordable, waterproof and wearable sensor to monitor multiple vital signals. The ...
Several industrial, automotive, and healthcare applications rely on accurate and precise measurement of pressure. Flexible and wearable pressure sensors are typically fabricated using petroleum-based ...
Scientists have created a cheap, paper-based sensor that changes colour to detect deadly gases within minutes, even in high humidity. It could provide a fast, portable tool for environmental ...
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