Molecular gears in the clutch stack (IMAGE) Hokkaido University Caption (a) Structure of the molecular gears in the clutch stack. (b) Side view of molecular gears showing the two modes of motion observed at lower temperatures (left) and higher temperatures (right). (Mingoo Jin, et al. Journal of the American Chemical Society. December 7, 2023) Credit Mingoo Jin, et al. Journal of the American Chemical Society. December 7, 2023 Usage Restrictions This image is copyrighted but may be used to report on this press release as long as the copyright holders are credited. 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.