The giant molecular rotor (IMAGE) Hokkaido University Caption (Left) Depiction of the giant molecular rotor attached to umbrella-like metal complexes. (Right) Side view and top view of the molecular rotor, showing its structure, size and rotation direction. (Rempei Ando, et al. Angewandte Chemie International Edition. August 31, 2023) Credit Rempei Ando, et al. Angewandte Chemie International Edition. August 31, 2023 Usage Restrictions This image may be used to report on this press release as long as the copyright holder is 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.