Listening" for Gravitational Waves to Track Down Black Holes

Now, with the help of a supercomputer named SUGAR (Syracuse University Gravitational and Relativity Cluster), two years of data collected by the Laser Interferometer Gravitational-Wave Observatory (LIGO) will be analyzed to find gravitational waves. Written by Ian O'Neill http://www.universetoday.com/2008/02/11/listening-for-gravitational-waves-to-track-down-black-holes/