Quantum Ping-Pong (VIDEO) Vienna University of Technology This video is under embargo. Please login to access this video. Caption Numerical simulation of the repeated emission and absorption of a single photon in the "quantum ping-pong”. Credit Oliver Diekmann (TU Wien) Usage Restrictions none License Original 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.