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• 08:54, 28 November 2016 Dioscorus (talk | contribs) uploaded File:Takyon.JPG (A tachyon /ˈtæki.ɒn/ or tachyonic particle is a hypothetical particle that always moves faster than light. The word comes from the Greek: ταχύς or tachys, meaning "swift, quick, fast, rapid", and was coined in 1967 by Gerald Feinberg https://...)