Spinning Nanodumbbell (IMAGE) Purdue University Caption Researchers have created the fastest man-made rotor in the world by spinning a nanodumbbell with a circularly polarized laser. Credit Purdue University/Janghoon Ahn Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.