Anabaena Sensory Rhodopsin (IMAGE) Ohio Supercomputer Center Caption In a simulation created at the Ohio Supercomputer Center by Bowling Green State's Massimo Olivucci, a short fragment of the long retinal chromophore backbone of Anabaena Sensory Rhodopsin undergoes a complete clockwise rotation powered by the energy carried by two photons. Credit Olivucci/BGSU 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.