Lensing Demonstration (VIDEO) University of Chicago This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Evalyn Gates demonstrates the phenomenon of gravitational lensing. She is the author of "Einstein's Telescope: The Hunt for Dark Matter and Dark Energy in the Universe," published in February by W.W. Norton. Gates is Assistant Director of the Kavli Institute for Cosmological Physics at the University of Chicago. Credit Chicago Media Initiatives Group Usage Restrictions This video may be used by news organizations in reports describing the work of Evalyn Gates or her book, Einstein's Telescope. 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.