Physicists extend special relativity beyond the speed of light

(Phys.org)—Possibly the most well-known consequence of Einstein's theory of special relativity is that nothing can travel faster than the speed of light, c. According to the mass-energy equivalence formula E = mc2, an object traveling at c would have infinite mass and would require an infinite amount of energy to reach c. Over the past 100 years, numerous experimental tests of special relativity have confirmed its validity.

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