Motorized Nanocar (IMAGE) Rice University Caption This animation depicts two motorized nanocars on a gold surface. The nanocar consists of a rigid chassis and four alkyne axles that spin freely and swivel independently of one another. The wheels are spherical molecules of carbon, hydrogen and boron called p-carborane. Credit Yasuhiro Shirai/Rice University 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.