Illustration (IMAGE) University of Vienna Caption The new result proves that it is possible to design a Bell experiment for particles moving in a quantum superposition at very high speeds. Credit © ALOOP; ÖAW 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.