HTTP:: How to Make a Black Hole in the Lab
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Black holes, once highly misunderstood formations, have over the years captured the imagination of astronomers and film producers alike, and have been prominently featured in films and in literature. In spite of the high levels of attention they were given, there are still a great many things that remain unknown about them, and therefore more studies are required. Rather than studying the real deal in space, experts from the Dartmouth College propose a new method of creating artificial ones in the lab, at much smaller scales than their supermassive counterparts. In a new scientific paper, published in the August 20th issue of the American Physical Society's flagship journal Physical Review Letters, the team explains the basics of constructing a quantum black hole at a very small scale. The new constructs could help them better understand Hawking radiation. First proposed by renowned physicist Stephen Hawking some 35 years ago, the theory states that black holes are not void!
of activity, and that they constantly generate special types of photons, now known as the Hawking radiation. Studying it in its natural environment has proven very difficult. âœHawking famously showed that black holes radiate energy according to a thermal spectrum. His calculations relied on assumptions about the physics of ultra-high energi...
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Saturday, August 22, 2009
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