Gravity Waves (IMAGE) Columbia University Caption A black hole merger is expected to release the gravitational waves predicted by Einstein, but not yet detected. Above, an artist's conception of waves rippling through space-time. Credit NASA 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.