It's like one of those waterwheels on a paddleboat, only it's a laser. MirageCGetty Images A 150-nanometer spinning silica ball is the fastest spinner and finest detector of torque ever made. This team of researchers, from Purdue, is following recent developments by ETH Zurich that use a slightly different laser spinner. The setup could be … Continue reading … The Fastest Spinning Object Ever Could Detect the Elusive Vacuum Friction … →