ScienceSignals from the universeTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience08/21/2016August 21, 2016Two black holes merged in a massive explosion -- and scientists have detected the gravitational waves generated by this cosmic event. Now, researchers are using this technology to explore the darkest secrets of the universe.https://p.dw.com/p/1JlvlAdvertisement