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Faster Than Light

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C C Offline
http://www.fqxi.org/community/articles/display/168

EXCERPT: A controversial theory in which light broke its own speed limit in the early universe joins forces with string theory and loop quantum gravity to solve cosmic mysteries. [...] Good science needs heretics—people who aren’t afraid of seemingly mad ideas that may end up leading us to new truths. Once in awhile, their crazy proposals make the transition from taboo to—if not quite the mainstream—the respectable fringes of physics, with a host of associated offshoots by independent researchers. This is what has happened to cosmologist João Magueijo’s speculation, just over a decade ago, that the speed of light isn’t the physical constant we take it to be. [...] Magueijo, at Imperial College London, UK, and his colleague, cosmologist Andreas Albrecht, a member of FQXi now at UC Davis, first came up with their varying speed of light (VSL) model in early 1997. The idea resolves two of the biggest problems with Big Bang cosmology: explaining the smoothness of the universe’s background radiation that we see today, called the horizon problem, and explaining the dynamics of expansion and the shape of the universe, which relates to its density, known as the flatness problem...
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