Using revised calculations, Hawking acknowledged that black holes could, in theory, permit some information (in the form of radiation) to seep out. His turnabout made headlines around the world, partly because it reaffirmed the basic laws of physics, partly because Hawking is the world's most famous physicist, and partly because the great English theorist would now have to pay off a long-standing wager with John Preskill, an astrophysicist at the California Institute of Technology.
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"Betting is a part of science. It's a way to challenge colleagues about their ideas and have your ideas challenged as well," Peebles said. "Laying a wager is really a way to organize your thinking. If you're going to bet, you've got to figure out how to set it up, what exactly you're betting on and which side you want to be on. It's a way to carry on the scientific conversation.
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The first known wager in science occurred in 1600 when astronomer Johannes Kepler bet his bitter rival Christian Longomontanus that he could calculate Mars ' orbit around the sun in just eight days. The stakes of the bet have been lost to history.
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http://www.longnow.org/press/articles/ArtOdds&EndsWager.phpRemember, too, when it was found that the invisible power brokers have a network set up to bet on world events, including famines, wars, market crashes, etc.?