AdvertisementIn Milestone, Scientists Detect Gravitational Waves As Black Holes Collide03:25Download AudioResumeFebruary 11, 2016Geoff BrumfielfacebookEmailA simulation shows gravitational waves coming from two black holes as they spiral in together. (S. Ossokine , A. Buonanno (MPI for Gravitational Physics)/W. Benger (Airborne Hydro Mapping GmbH))