While Apple and Samsung race to be the first company to perfect a fingerprint scanner that resides under a smartphone's display, a Chinese company called Vivo has already done it. Vivo is launching ...
Some fitness trackers may detect signs of heart disease, sleep problems, and chronic stress. However, there are limitations ...
A story claims a revolutionary skunk works built a quantum sensor that was used to locate a missing airman by reading his pulse from 40 miles away. But physicists say the laws of biomagnetism make ...
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