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The Case Against Tachyons


               
2013 Jul 1, 5:04pm   296 views  1 comment

by Dan8267   follow (4)  

http://www.armaghplanet.com/blog/what-ever-happened-to-tachyons.html

An artist’s impression of the Fomalhaut system, some 25 light years from the Sun. Could tachyons take us there in less than 25 years? (Image credit: NASA)   Over a century ago, Albert Einstein anticipated odd things happening on a spaceship travelling at speeds close to that of light (roughly 300 000 km/s) and impossible things happening when travelling at the speed of light. It is not necessary here and now to go into why this should be, but these predictions are enough to convince much smarter people than me that the speed of light is a fixed, fundamental speed...

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1   Tenpoundbass   @   2013 Jul 1, 11:58pm  

Do tachyons exist? Unlike neutrons, tachyons are not actually required to exist by any physical theory and indeed their existence would raise more problems than it would solve (special relativity would be wrong for a start- which would be kind of awesome). Although it is possible to describe them mathematically it would appear certain that tachyons do not exist in the real Universe. Little has been written about them in scientific publications recently apart from some fevered speculations in 2011 when CERN researchers thought they had observed neutrinos moving faster than light, results later found to be in error.

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