Tricks to mute quantum noise aid hunt for gravitational waves Physicists find ways to make LIGO and other gravitational-wave detectors even more sensitive

http://www.nature.com/news/tricks-to-mute-quantum-noise-aid-hunt-for-gravitational-waves-1.22286?WT.ec_id=NATURE-20170713&spMailingID=54477173&spUserID=MTYwMjkxMjU1NjQxS0&spJobID=1201858239&spReportId=MTIwMTg1ODIzOQS2