Wednesday, September 28, 2011

Science: Neutrinos faster than Light



Neutrinos discovered to be faster than light at CERN. If confirmed, these results will overturn a century of one of the most basic assumptions in modern physics. 'Thousands of experiments have been undertaken to measure' the speed of light 'ever more precisely, and no result has ever spotted a particle breaking the limit. But Antonio Ereditato of the Orion collaboration and his colleagues have been carrying out an experiment for the last three years that seems to suggest neutrinos have done just that.'


'The team measured the travel times of neutrino bunches some 15,000 times, and have reached a level of statistical significance that in scientific circles would count as a formal discovery. The scientists at CERN have concluded this based off results in which a beam of neutrinos fired from a particle accelerator in Geneva traveled 434 miles 60 nanoseconds faster than it should have. This may not sound like much, but the error was calculated at 10 nanoseconds and the scientists themselves seem fairly adamant in their results.

The speed of light is basically meant to be the fastest speed there is, and if this wasn’t the case then we may have a major breakdown of Einstein’s theory of relativity. Because the result is so unexpected and would wreak such havoc with our understanding of the Universe, the group is being particularly cautious. They have opted to put a report their measurements online to subject them to wider scrutiny, and will hold a seminar at CERN on Friday to discuss the result.'


Read more here and here.

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