Squeezed Vacuum Source (IMAGE) Optica Caption A new squeezed vacuum source could make gravitational wave detectors sensitive enough to study neutron stars. Credit Eric Oelker, Massachusetts Institute of Technology 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.