Fewpal
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There are many things which can travel faster than light. One example is wave

The special theory of relativity implies that only particles with zero rest mass may travel at the speed of light. Tachyons, particles whose speed exceeds that of light, have been hypothesized but the existence of such particles would violate causality and the consensus of physicists is that such particles cannot exist.

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But it's real thing happen search more answer i will answer tomorrow.
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Few things can actually travel faster than light. One among them is Cherenkov radiation.

These are electromagnetic radiations emitted as electrons by the spent nuclear fuel particles when it is placed under water for quite a few years in the spent fuel bay in a nuclear power plant.

The characteristic blue glow is due to emission of this radiation. Note here that the speed of Cherenkov radiation is greater than light only in water, where the VELOCITY OF LIGHT HERE BECOMES 0.75 x 3 x 10^8 m/s.

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