Word: tachyons
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Dates: during 1969-1969
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According to the relativity equations, that "tachyon" (a name that Feinberg coined from the Greek word for "swift") should have other strange characteristics. Unlike familiar particles, which gam mass and energy as they accelerate toward the speed of light, Femberg's particle would lose mass and energy as it accelerated beyond the light barrier. At infinite speeds, it would theoretically have no mass or energy at all. Like a plane going faster than the speed of sound, a tachyon with an electrical charge would generate a "light boom" as it traveled faster than 186,000 m.p.s. The boom would...