J. Richard Gott III


Born
in Louisville, Kentucky, The United States
February 08, 1947

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John Richard Gott III is a professor of astrophysical sciences at Princeton University. He is known for developing and advocating two cosmological theories with the flavour of science fiction: Time travel and the Doomsday argument.

Average rating: 4.18 · 3,588 ratings · 313 reviews · 8 distinct worksSimilar authors
Time Travel in Einstein's U...

4.09 avg rating — 1,685 ratings — published 2001 — 14 editions
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The Cosmic Web: Mysterious ...

3.99 avg rating — 140 ratings — published 2016 — 6 editions
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Sizing Up the Universe: The...

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4.41 avg rating — 73 ratings — published 2010 — 3 editions
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Viaggiare nel tempo

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L'Univers Est Une Eponge

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Zeitreisen in Einsteins Uni...

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Welcome to the Universe: An...

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4.27 avg rating — 1,692 ratings — published 2016 — 15 editions
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Welcome to the Universe: Th...

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“If you see an antimatter version of yourself running towards you, think twice before embracing.”
J. Richard Gott, Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time

“People, of course, like to think that they are special -- that's exciting. It's disappointing to discover otherwise.”
J. Richard Gott III

“But where did the watch come from? This watch is a jinni—elderly Miss McKenna gives it to the young playwright, who takes it back in time to deliver it to her as a young woman. She keeps it all her life until it is time to return it to him. So who made the watch? No one. The watch never went anywhere near a watch factory. Its world line is circular. Novikov has noted that in the case of a macroscopic jinni like this the outside world must always expend energy to repair any wear-and-tear (entropy) it has accumulated so it can be returned exactly to its original condition as it completes its loop. Permissible in theory, macroscopic jinn are improbable. The whole story in Somewhere in Time could have taken place without the watch. The watch seems particularly unlikely since it appears to keep good time. One could have imagined finding a nonworking watch or perhaps a paper clip that passes back and forth between the couple. How lucky to encounter a watch that works! According to quantum mechanics, if one has enough energy, one can always make a macroscopic object spontaneously appear (along with associated antiparticles, which have equal mass but opposite electric charge)—it’s just extremely unlikely. Similarly with jinn, it would be more improbable to find a watch than a paper clip and more improbable to find a paper clip than an electron. The more massive and more complex the macroscopic jinni, the rarer it will be.”
J. Richard Gott III, Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time

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