Nanospheres Cooled with Light (IMAGE) University College London Caption Nanospheres were cooled with light to explore the limits of quantum physics. Credit James Millen et al. Usage Restrictions Credit: James Millen, UCL Physics & Astronomy 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.