If you're tired of using a boring ol' remote for controlling your devices, you might like the CenWatch. It's a smartwatch that scans the underside of your hand, allowing you to make multiple commands ...
In a study published in Optics Express, a research group led by Prof. Fu Yuxi from Xi'an Institute of Optics and Precision ...
Rulers haven't changed in decades, yet the same old frustrations remain?tiny, hard-to-read markings, awkward measuring angles, and the constant need to switch between metric and imperial. Add in the ...