Double Pendulum (IMAGE) U.S. National Science Foundation Caption Cornell University researchers Hod Lipson (right) and Michael Schmidt hold up a double pendulum. Credit Jonathan Hiller, Cornell University 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.