A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ultra-dense, long-term data storage.
Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...
Smart glasses with cameras like the Ray-Ban Meta are being used to record women without their consent. Here's how to tell if ...
Opinion
The Withings BeamO Is a Next-Gen Thermometer That Let Me Listen to My Heart. Is It Worth $250?
With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.
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