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The finding of such a particle would overturn Einstein's theories of relativity, which state that light-speed is a cosmic constant and cannot be passed by anything in the universe. Such superluminal particles would also have the ability to time travel (hypothetically). This would be caused since as a particle approaches the speed of light, time slows down. ...


Stephen Hawking says that black holes emit radiations known as Hawking Radiations. This is not yet proven but tachyons might be Hawking Radiation particles since they travel faster than light.

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