Although no form of matter yet _____ moves as fast as or faster than light, _____ experiments have already confirmed that accelerated _____ causes a travelers time to be stretched. Albert Einstein _____ this in 1905, when he _____ the concept of relative time as part of his Special Theory of Relativity. A search is now under way to confirm the suspected existence of particles of matter ____.An obsession with time saving, gaining, wasting, losing, and mastering it _________. Humanity also has been obsessed with trying to capture the meaning of time. Einstein ____ . Thus, time and times relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second.
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