Matchsticks (IMAGE) University of Warwick Caption Scientists have devised a new way to control the speed and direction of motion of microscopic structures in water using what they have dubbed chemically "motorized microscopic matchsticks." Credit Stefan Bon, University of Warwick Usage Restrictions Please credit Stefan Bon, University of Warwick 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.