Molecular Motor (2 of 2) (IMAGE) Ohio University Caption These images, taken with a scanning tunneling microscope, show the molecular motor as it rotates at minus 315 degrees Fahrenheit (top), and stepwise rotations by tunneling electrons at minus 450 degrees (a - h) (bottom image sequence). Credit Saw-Wai Hla, Ohio University Usage Restrictions Credit Saw-Wai Hla, Ohio University 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.