XENON1T Dark Matter Detector (IMAGE) Rensselaer Polytechnic Institute Caption The world's most sensitive dark matter detector demonstrates record low radioactivity levels. Credit XENON Collaboration 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.