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First came Seti@Home, a program which taps the collective power of home computers to search for radio waves which could suggest alien life in the universe.

Now, physicists want to use your computer to help find gravitational waves. The wrinkles in time and space are considered one of Albert Einstein's boldest predictions. The Einstein@Home project, from the University of Wisconsin-Milwaukee, the California Institute of Technology and the Albert Einstein Institute, borrows idle time from home PCs to scan massive amounts of data collected by gravitational wave detectors originating from observatories.

Guest: Bruce Allen, University of Wisconsin - Milwaukee