Nobel winners find ripples in the universe

AP - WASHINGTON ? For decades, astronomers tried to prove Albert Einstein right by doing what Einstein thought was impossible: detecting the faint ripples in the universe called gravitational waves. They failed repeatedly until two years ago when they finally spotted one. Then another. And another. And another.Three American scientists ? including one who initially flunked out of MIT ? won the Nobel Prize in physics Tuesday that launched a whole new way to observe the cosmos.