Graviton Image (IMAGE) Stevens Institute of Technology Caption It’s thought that gravity consists of minute quantum building blocks called gravitons, but so far they have proved too elusive to observe. A new finding from Pikovski Research Group shows that next-generation quantum sensors can catch a single one. Credit Pikovski Research Group Usage Restrictions n/a 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.