Nanoparticle Discovery (IMAGE) University of New Mexico Caption This illustration shows a nanoparticle rotating above a planar surface before experiencing a lateral Casimir force. Credit Dr. Alejandro Manjavacas 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.