For most scientists, a career in research is gamble enough. But Scottish physicist Jim Hough couldn’t resist when the British betting house Ladbrokes offered 500:1 odds against the possibility that scientists will directly detect gravity waves before 2010. As director of Geo 600, an observatory in Germany designed to do just that, Hough had to lay down some pounds sterling.
First predicted by Einstein’s general theory of relativity, gravity waves are ripples in the fabric of spacetime. When black holes collide or stars