A look at time travel; how it could one day become reality; how Einstein's theory of relativity claims it is possible, and the probable results of traveling to the future and the mind-boggling consequences of traveling to the past.
Tags
History Channel, Louis C. Tarantion, Douglas J. Cohen, the universe, universe, documentary, free, watch, online, movie, film, video, top, doc, documentation, time travel, einstein, theory, future, travel, time, past, subtitles, english
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