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What physics really says about time travel possibilities
Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...
New impressions A visualization of a curved space–time “sea” from the general-relativity simulations carried out by the authors.(Courtesy: James Mertens) From the Genesis story in the Old Testament to ...
Long and winding road: The Juice space probe taking the long way to Jupiter and its moons - Copyright NASA/AFP/File NASA Long and winding road: The Juice space probe ...
110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...
Astrophysics professor J. Richard Gott is continuing in Albert Einstein's route of research in general relativity. His recently released book, "Time Travel in Einstein's Universe," is widely ...
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