Directory: Top/Science/Physics/Relativity/Time

Top / Science / Physics / Relativity / Time_Travel /

Chronos Shrugged: The World of Time Travel
A brief tour of the world of time travel - from the myths and psychology to the science (including relativity). Also includes a bibliography and links.
http://www.umich.edu/~engtt415/menu.html
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How Time Travel Will Work
Article about time travel from "How Stuff Works"; by Kevin Bonsor. Includes background information about relativity and black holes, and possible time travel scenarios involving wormholes and cosmic strings.
http://www.howstuffworks.com/time-travel.htm
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Why Faster-Than-Light Implies Time Travel
Account of a hypothetical dual with pistols firing faster-than-light bullets showing how, in special relativity, the ability to travel faster than the speed of light implies the ability to travel into the past. By Wayne Throop.
http://sheol.org/throopw/tachyon-pistols.html
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Taking the Cosmic Shortcut
Article on the site of the Australian Broadcasting Corporation about the physics of time travel, from special relativity and time travel into the future to general relativity, Ron Mallet's time machine, and wormholes. By Elizabeth Warnes.
http://www.abc.net.au/science/slab/wormholes/default.htm
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Getting in a Twist over Time
Article on Space Daily about Ron Mallet's attempts to design a time machine using a loop of laser light. By Michael Brooks; also includes a brief history of time travel in relativity, including remarks on wormholes and the chronology protection conjectu
http://www.spacedaily.com/news/timetravel-01a.html
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Space-Time Physics and the Future of Time Travel
Elementary exposition of Euclidean geometry, Newton vs. Einstein, and the possibility to travel into the future, and see into the past, in relativity. By Alex MacLellan.
http://themaclellans.com/timetravel.html
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Time Travel
Brief text by Neil Johnson (Oxford University) about the connection between gravity, black holes, singularities, the multiple worlds of quantum theory, and time travel. From BBC Science and Nature.
http://www.bbc.co.uk/science/space/exploration/timetravel/index.shtml
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Quantum Time Travel
Brief description of the work by Yakir Aharonov's group on a "quantum time machine", including parallels with published science-fiction stories. From John G. Cramer's column "The Alternate View", published in Analog Science Fiction an
http://www.npl.washington.edu/AV/altvw45.html
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Time Loops
An interview on Edge with the author and physicist Paul Davies about time travel and the ensuing paradoxes, physical time-travel scenarios from Gödel's universe to wormholes, and the interplay between physics and science-fiction. Includes both a
http://www.edge.org/3rd_culture/davies/davies_index.html
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Time Travel - Fact or Fiction?
Brief overview of physics issues related to time travel, including the question of conversation laws, general relativity, possible paradoxes, and the notion of tachyons. From the Physics FAQ; original by Jon J. Thaler.
http://math.ucr.edu/home/baez/physics/Relativity/GR/time_travel.html
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