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186 relations: A Christmas Carol, Absolute space and time, Alcubierre drive, Alexander Veltman, Alternate history, American Philosophical Quarterly, Analogy, Ancient Greece, Andrew Sawyer, Anonymous work, Artforum, August Derleth, Bede, Black hole, Black Holes and Time Warps, Brahma, By His Bootstraps, Carl Sagan, Casimir effect, Cauchy horizon, Causal loop, Causality, Causality (physics), Charles Dickens, Chronology protection conjecture, Closed timelike curve, Compossibility, Cornelius Lanczos, Cosmic string, Cryonics, Daily Mail, David Deutsch, De Broglie–Bohm theory, Debiprasad Chattopadhyaya, Delayed choice quantum eraser, Discover (magazine), Double-slit experiment, Edward Bellamy, Edward Everett Hale, Edward Page Mitchell, Einstein field equations, Energy condition, Enrique Gaspar y Rimbau, Entropy, EPR paradox, Equivalence principle, Eternalism (philosophy of time), Exact solutions in general relativity, Exotic matter, Experimental testing of time dilation, ..., Faster-than-light, Faster-than-light communication, Fermi paradox, Fluctuation theorem, Fourier analysis, Frame of reference, Frank J. Tipler, Gautama Buddha, Gödel metric, Günter Nimtz, General covariance, General relativity, Global Positioning System, Gottfried Wilhelm Leibniz, Grandfather paradox, Gravity, Gravity well, Guardian angel, H. G. Wells, Honi ha-M'agel, Hubble's law, Hugh Everett III, Igor Dmitriyevich Novikov, Institute for Ethics and Emerging Technologies, International Journal of Theoretical Physics, Irvington, New York, Isaac Newton, Jews, Joseph (Genesis), Jupiter, Kakudmi, Karl Svozil, Krasnikov tube, Kurt Gödel, List of games containing time travel, List of television series that include time travel, List of time travel works of fiction, Looking Backward, Louis-Sébastien Mercier, Mach's principle, Mahabharata, Mahākāśyapa, Many-worlds interpretation, Marlan Scully, Massachusetts Institute of Technology, Matt Visser, McGraw-Hill Education, Memoirs of the Twentieth Century, Metric (mathematics), Microwave, Monastery, Multiverse, New Scientist, Newcastle upon Tyne, Nihon Shoki, No-communication theorem, Novikov self-consistency principle, Parmenides, Payasi, Pāli Canon, PBS, Philosophical presentism, Philosophy of space and time, Photon, Physical Review Letters, Physicist, Pierre Boitard, Plesiosauria, Precursor (physics), Preferred frame, Proper time, Propulsion, Quantum entanglement, Quantum field theory, Quantum gravity, Quantum mechanics, Quantum mechanics of time travel, Quantum teleportation, Quantum tunnelling, Relativistic speed, Relativity of simultaneity, Retrocausality, Ring singularity, Rip Van Winkle, Robert A. Heinlein, Roman ring, Ronald Mallett, Routledge, Samuel Madden, Science fiction, Second law of thermodynamics, Semiclassical gravity, Sergei Avdeyev, Shengwang Du, Slow light, Somewhere in Time (film), Space, Spacetime, Special relativity, Speed of light, Springer Science+Business Media, Stagecoach, Stephen Hawking, Suspended animation, Synchronization, Tachyonic antitelephone, Temporal paradox, The Clock that Went Backward, The New York Review of Science Fiction, The New York Times, The Sleeper Awakes, The Sun (New York City), The Time Machine, Theoretical physics, Theory of relativity, Tim Maudlin, Time, Time capsule, Time dilation, Time perception, Time travel claims and urban legends, Time travel in fiction, Timeline, Tipler cylinder, Traditions and student activities at MIT, Twin paradox, University of Koblenz and Landau, University of Toronto, Urashima Tarō, Washington Irving, Wave interference, Wheeler–Feynman absorber theory, Willem Jacob van Stockum, Wired (magazine), World line, Wormhole. Expand index (136 more) »
A Christmas Carol
A Christmas Carol in Prose, Being a Ghost-Story of Christmas, commonly known as A Christmas Carol, is a novella by Charles Dickens, first published in London by Chapman & Hall in 1843; the first edition was illustrated by John Leech.
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Absolute space and time
Absolute space and time is a concept in physics and philosophy about the properties of the universe.
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Alcubierre drive
The Alcubierre drive or Alcubierre warp drive (or Alcubierre metric, referring to metric tensor) is a speculative idea based on a solution of Einstein's field equations in general relativity as proposed by Mexican theoretical physicist Miguel Alcubierre, by which a spacecraft could achieve apparent faster-than-light travel if a configurable energy-density field lower than that of vacuum (that is, negative mass) could be created.
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Alexander Veltman
Alexander Fomich Veltman (Алекса́ндр Фоми́ч Ве́льтман) (&mdash) was one of the most successful Russian prose writers of the 1830s and 1840s, "popular for various modes of Romantic fiction — historical, Gothic, fantastic, and folkloristic".
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Alternate history
Alternate history or alternative history (Commonwealth English), sometimes abbreviated as AH, is a genre of fiction consisting of stories in which one or more historical events occur differently.
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American Philosophical Quarterly
The American Philosophical Quarterly (APQ) is a peer-reviewed academic journal covering philosophy.
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Analogy
Analogy (from Greek ἀναλογία, analogia, "proportion", from ana- "upon, according to" + logos "ratio") is a cognitive process of transferring information or meaning from a particular subject (the analog, or source) to another (the target), or a linguistic expression corresponding to such a process.
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Ancient Greece
Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).
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Andrew Sawyer
Andrew "Andy" Sawyer (born 1952) is a librarian, critic and editor, as well as an active part of science fiction fandom (although he himself has not written much science fiction).
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Anonymous work
Anonymous works are works, such as art or literature, that have an anonymous, undisclosed, or unknown creator or author.
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Artforum
Artforum is an international monthly magazine specializing in contemporary art.
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August Derleth
August William Derleth (February 24, 1909 – July 4, 1971) was an American writer and anthologist.
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Bede
Bede (italic; 672/3 – 26 May 735), also known as Saint Bede, Venerable Bede, and Bede the Venerable (Bēda Venerābilis), was an English Benedictine monk at the monastery of St.
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Black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
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Black Holes and Time Warps
Black Holes & Time Warps: Einstein's Outrageous Legacy is a 1994 popular science book by physicist Kip Thorne.
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Brahma
Brahma (Sanskrit: ब्रह्मा, IAST: Brahmā) is a creator god in Hinduism.
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By His Bootstraps
"By His Bootstraps" is a science fiction novella by American writer Robert A. Heinlein.
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Carl Sagan
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences.
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Casimir effect
In quantum field theory, the Casimir effect and the Casimir–Polder force are physical forces arising from a quantized field.
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Cauchy horizon
In physics, a Cauchy horizon is a light-like boundary of the domain of validity of a Cauchy problem (a particular boundary value problem of the theory of partial differential equations).
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Causal loop
A causal loop in the context of time travel or the causal structure of spacetime, is a sequence of events (actions, information, objects, people) in which an event is among the causes of another event, which in turn is among the causes of the first-mentioned event.
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Causality
Causality (also referred to as causation, or cause and effect) is what connects one process (the cause) with another process or state (the effect), where the first is partly responsible for the second, and the second is partly dependent on the first.
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Causality (physics)
Causality is the relationship between causes and effects.
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Charles Dickens
Charles John Huffam Dickens (7 February 1812 – 9 June 1870) was an English writer and social critic.
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Chronology protection conjecture
The chronology protection conjecture is a conjecture first proposed by Stephen Hawking which hypothesizes that the laws of physics are such as to prevent time travel on all but submicroscopic scales.
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Closed timelike curve
In mathematical physics, a closed timelike curve (CTC) is a world line in a Lorentzian manifold, of a material particle in spacetime that is "closed", returning to its starting point.
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Compossibility
Compossibility is a philosophical concept from Gottfried Wilhelm Leibniz.
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Cornelius Lanczos
Cornelius (Cornel) Lanczos (Lánczos Kornél,, born as Kornél Lőwy, until 1906: Löwy (Lőwy) Kornél) was a Jewish Hungarian mathematician and physicist, who was born on February 2, 1893, and died on June 25, 1974.
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Cosmic string
Cosmic strings are hypothetical 1-dimensional topological defects which may have formed during a symmetry breaking phase transition in the early universe when the topology of the vacuum manifold associated to this symmetry breaking was not simply connected.
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Cryonics
Cryonics (from Greek κρύος kryos meaning 'cold') is the low-temperature preservation (usually at −196°C) of human cadavers, with the hope that resuscitation and restoration to life and full health may be possible in the far future.
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Daily Mail
The Daily Mail is a British daily middle-marketPeter Wilby, New Statesman, 19 December 2013 (online version: 2 January 2014) tabloid newspaper owned by the Daily Mail and General Trust and published in London.
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David Deutsch
David Elieser Deutsch (born 18 May 1953) is an Israeli-born British physicist at the University of Oxford.
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De Broglie–Bohm theory
The de Broglie–Bohm theory, also known as the pilot wave theory, Bohmian mechanics, Bohm's interpretation, and the causal interpretation, is an interpretation of quantum mechanics.
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Debiprasad Chattopadhyaya
Debiprasad Chattopadhyaya (19 November 1918 – 8 May 1993) was an Indian Marxist philosopher.
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Delayed choice quantum eraser
A delayed choice quantum eraser experiment, first performed by Yoon-Ho Kim, R. Yu, S. P. Kulik, Y. H. Shih and Marlan O. Scully, and reported in early 1999, is an elaboration on the quantum eraser experiment that incorporates concepts considered in Wheeler's delayed choice experiment.
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Discover (magazine)
Discover is an American general audience science magazine launched in October 1980 by Time Inc.
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Double-slit experiment
In modern physics, the double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic nature of quantum mechanical phenomena.
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Edward Bellamy
Edward Bellamy (March 26, 1850 – May 22, 1898) was an American author and socialist, most famous for his utopian novel, Looking Backward, a tale set in the distant future of the year 2000.
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Edward Everett Hale
Edward Everett Hale (April 3, 1822 – June 10, 1909) was an American author, historian, and Unitarian minister.
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Edward Page Mitchell
Edward Page Mitchell (1852–1927) was an American editorial and short story writer for The Sun, a daily newspaper in New York City.
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Einstein field equations
The Einstein field equations (EFE; also known as Einstein's equations) comprise the set of 10 equations in Albert Einstein's general theory of relativity that describe the fundamental interaction of gravitation as a result of spacetime being curved by mass and energy.
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Energy condition
In relativistic classical field theories of gravitation, particularly general relativity, an energy condition is one of various alternative conditions which can be applied to the matter content of the theory, when it is either not possible or desirable to specify this content explicitly.
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Enrique Gaspar y Rimbau
Enrique Lucio Eugenio Gaspar y Rimbau (2 March 1842 in Madrid – 7 September 1902 in Oloron) was a Spanish diplomat and writer, who wrote plays, zarzuelas (light operas), and novels including the first story involving time travel using a machine.
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Entropy
In statistical mechanics, entropy is an extensive property of a thermodynamic system.
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EPR paradox
The Einstein–Podolsky–Rosen paradox or the EPR paradox of 1935 is a thought experiment in quantum mechanics with which Albert Einstein and his colleagues Boris Podolsky and Nathan Rosen (EPR) claimed to demonstrate that the wave function does not provide a complete description of physical reality, and hence that the Copenhagen interpretation is unsatisfactory; resolutions of the paradox have important implications for the interpretation of quantum mechanics.
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Equivalence principle
In the theory of general relativity, the equivalence principle is any of several related concepts dealing with the equivalence of gravitational and inertial mass, and to Albert Einstein's observation that the gravitational "force" as experienced locally while standing on a massive body (such as the Earth) is the same as the pseudo-force experienced by an observer in a non-inertial (accelerated) frame of reference.
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Eternalism (philosophy of time)
Eternalism is a philosophical approach to the ontological nature of time, which takes the view that all existence in time is equally real, as opposed to presentism or the growing block universe theory of time, in which at least the future is not the same as any other time.
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Exact solutions in general relativity
In general relativity, an exact solution is a Lorentzian manifold equipped with tensor fields modeling states of ordinary matter, such as a fluid, or classical nongravitational fields such as the electromagnetic field.
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Exotic matter
In physics, exotic matter is matter that somehow deviates from normal matter and has "exotic" properties.
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Experimental testing of time dilation
Time dilation as predicted by special relativity is often verified by means of particle lifetime experiments.
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Faster-than-light
Faster-than-light (also superluminal or FTL) communication and travel are the conjectural propagation of information or matter faster than the speed of light.
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Faster-than-light communication
Superluminal communication is a hypothetical process in which information is sent at faster-than-light (FTL) speeds.
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Fermi paradox
The Fermi paradox, or Fermi's paradox, named after physicist Enrico Fermi, is the apparent contradiction between the lack of evidence and high probability estimates for the existence of extraterrestrial civilizations.
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Fluctuation theorem
The fluctuation theorem (FT), which originated from statistical mechanics, deals with the relative probability that the entropy of a system which is currently away from thermodynamic equilibrium (i.e., maximum entropy) will increase or decrease over a given amount of time.
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Fourier analysis
In mathematics, Fourier analysis is the study of the way general functions may be represented or approximated by sums of simpler trigonometric functions.
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Frame of reference
In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and orient) the coordinate system and standardize measurements.
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Frank J. Tipler
Frank Jennings Tipler (born February 1, 1947) is an American mathematical physicist and cosmologist, holding a joint appointment in the Departments of Mathematics and Physics at Tulane University.
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Gautama Buddha
Gautama Buddha (c. 563/480 – c. 483/400 BCE), also known as Siddhārtha Gautama, Shakyamuni Buddha, or simply the Buddha, after the title of Buddha, was an ascetic (śramaṇa) and sage, on whose teachings Buddhism was founded.
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Gödel metric
The Gödel metric is an exact solution of the Einstein field equations in which the stress–energy tensor contains two terms, the first representing the matter density of a homogeneous distribution of swirling dust particles (dust solution), and the second associated with a nonzero cosmological constant (see lambdavacuum solution).
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Günter Nimtz
Günter Nimtz (born 22 September 1936) is a German physicist, working at the 2nd Physics Institute at the University of Cologne in Germany.
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General covariance
In theoretical physics, general covariance, also known as diffeomorphism covariance or general invariance, consists of the invariance of the form of physical laws under arbitrary differentiable coordinate transformations.
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General relativity
General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
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Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
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Gottfried Wilhelm Leibniz
Gottfried Wilhelm (von) Leibniz (or; Leibnitz; – 14 November 1716) was a German polymath and philosopher who occupies a prominent place in the history of mathematics and the history of philosophy.
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Grandfather paradox
The grandfather paradox is a paradox of time travel in which inconsistencies emerge through changing the past.
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Gravity
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
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Gravity well
A gravity well or gravitational well is a conceptual model of the gravitational field surrounding a body in space – the more massive the body, the deeper and more extensive the gravity well associated with it.
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Guardian angel
A guardian angel is an angel that is assigned to protect and guide a particular person, group, kingdom, or country.
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H. G. Wells
Herbert George Wells.
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Honi ha-M'agel
Honi ha-Me'agel (חוני המעגל Khoni, Choni, or Ḥoni, HaMa'agel; lit. Honi the Circle-drawer) was a Jewish scholar of the 1st-century BC, prior to the age of the tannaim, the scholars from whose teachings the Mishnah was derived.
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Hubble's law
Hubble's law is the name for the observation in physical cosmology that.
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Hugh Everett III
Hugh Everett III (November 11, 1930 – July 19, 1982) was an American physicist who first proposed the many-worlds interpretation (MWI) of quantum physics, which he termed his "relative state" formulation.
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Igor Dmitriyevich Novikov
Igor Dmitriyevich Novikov (И́горь Дми́триевич Но́виков; born November 10, 1935) is a Russian (and former Soviet) theoretical astrophysicist and cosmologist.
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Institute for Ethics and Emerging Technologies
The Institute for Ethics and Emerging Technologies (IEET) is a "technoprogressive think tank" that seeks to contribute to understanding of the likely impact of emerging technologies on individuals and societies by "promoting and publicizing the work of thinkers who examine the social implications of scientific and technological advance".
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International Journal of Theoretical Physics
The International Journal of Theoretical Physics is a peer-reviewed scientific journal of physics published by Springer Science+Business Media since 1968.
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Irvington, New York
Irvington, sometimes known as Irvington-on-Hudson, is an affluent suburban village in the town of Greenburgh in Westchester County, New York, United States.
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Isaac Newton
Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.
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Jews
Jews (יְהוּדִים ISO 259-3, Israeli pronunciation) or Jewish people are an ethnoreligious group and a nation, originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The people of the Kingdom of Israel and the ethnic and religious group known as the Jewish people that descended from them have been subjected to a number of forced migrations in their history" and Hebrews of the Ancient Near East.
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Joseph (Genesis)
Joseph (יוֹסֵף meaning "Increase", Standard Yosef Tiberian Yôsēp̄; يوسف Yūsuf or Yūsif; Ἰωσήφ Iōsēph) is an important figure in the Bible's Book of Genesis.
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Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
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Kakudmi
Kakudmi (sometimes also called Kakudmin, or Raivata, son of Revata) was the King of Kusasthali.
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Karl Svozil
Karl Svozil (born December 18, 1956, Vienna, Austria) is an Austrian physicist educated at the University of Vienna and Heidelberg University.
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Krasnikov tube
A Krasnikov tube is a speculative mechanism for space travel involving the warping of spacetime into permanent superluminal tunnels.
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Kurt Gödel
Kurt Friedrich Gödel (April 28, 1906 – January 14, 1978) was an Austrian, and later American, logician, mathematician, and philosopher.
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List of games containing time travel
Many games contain time travel elements.
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List of television series that include time travel
This is a list of television series which are not primarily time travel series but include one or more episodes about time travel.
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List of time travel works of fiction
The lists below describes notable works of fiction involving time travel, where time travel is central to the plot or the premise of the work.
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Looking Backward
Looking Backward: 2000–1887 is a utopian science fiction novel by Edward Bellamy, a journalist and writer from Chicopee Falls, Massachusetts; it was first published in 1888.
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Louis-Sébastien Mercier
Louis-Sébastien Mercier (6 June 1740 – 25 April 1814) was a French dramatist and writer.
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Mach's principle
In theoretical physics, particularly in discussions of gravitation theories, Mach's principle (or Mach's conjecture) is the name given by Einstein to an imprecise hypothesis often credited to the physicist and philosopher Ernst Mach.
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Mahabharata
The Mahābhārata (महाभारतम्) is one of the two major Sanskrit epics of ancient India, the other being the Rāmāyaṇa.
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Mahākāśyapa
Mahākāśyapa (Sanskrit; Pali: Mahākassapa) or Kāśyapa was one of the principal disciples of Gautama Buddha.
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Many-worlds interpretation
The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wavefunction and denies the actuality of wavefunction collapse.
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Marlan Scully
Marlan Orvil Scully (born August 3, 1939) is an American physicist best known for his work in theoretical quantum optics.
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Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
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Matt Visser
Matt Visser is a mathematics Professor at Victoria University of Wellington.
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McGraw-Hill Education
McGraw-Hill Education (MHE) is a learning science company and one of the "big three" educational publishers that provides customized educational content, software, and services for pre-K through postgraduate education.
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Memoirs of the Twentieth Century
Memoirs of the Twentieth Century is an early work of speculative fiction by Irish writer Samuel Madden.
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Metric (mathematics)
In mathematics, a metric or distance function is a function that defines a distance between each pair of elements of a set.
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Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
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Monastery
A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone (hermits).
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Multiverse
The multiverse (or meta-universe) is a hypothetical group of multiple separate universes including the universe in which humans live.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Newcastle upon Tyne
Newcastle upon Tyne, commonly known as Newcastle, is a city in Tyne and Wear, North East England, 103 miles (166 km) south of Edinburgh and 277 miles (446 km) north of London on the northern bank of the River Tyne, from the North Sea.
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Nihon Shoki
The, sometimes translated as The Chronicles of Japan, is the second-oldest book of classical Japanese history.
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No-communication theorem
In physics, the no-communication theorem or no-signaling principle is a no-go theorem from quantum information theory which states that, during measurement of an entangled quantum state, it is not possible for one observer, by making a measurement of a subsystem of the total state, to communicate information to another observer.
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Novikov self-consistency principle
The Novikov self-consistency principle, also known as the Novikov self-consistency conjecture and Larry Niven's law of conservation of history, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid-1980s.
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Parmenides
Parmenides of Elea (Παρμενίδης ὁ Ἐλεάτης) was a pre-Socratic Greek philosopher from Elea in Magna Graecia (Greater Greece, included Southern Italy).
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Payasi
Payasi was a Cārvāka (materialist) philosopher in ancient India and was possibly a contemporary of Buddha.
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Pāli Canon
The Pāli Canon is the standard collection of scriptures in the Theravada Buddhist tradition, as preserved in the Pāli language.
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PBS
The Public Broadcasting Service (PBS) is an American public broadcaster and television program distributor.
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Philosophical presentism
Philosophical presentism is the view that neither the future nor the past exist.
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Philosophy of space and time
Philosophy of space and time is the branch of philosophy concerned with the issues surrounding the ontology, epistemology, and character of space and time.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Physical Review Letters
Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.
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Physicist
A physicist is a scientist who has specialized knowledge in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe.
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Pierre Boitard
Pierre Boitard (27 April 1787 Mâcon, Saône-et-Loire – 1859) was a French botanist and geologist.
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Plesiosauria
Plesiosauria (Greek: πλησίος, plesios, meaning "near to" and Sauria) or plesiosaurs are an order or clade of Mesozoic marine reptiles (marine Sauropsida), belonging to the Sauropterygia.
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Precursor (physics)
Precursors are characteristic wave patterns caused by dispersion of an impulse's frequency components as it propagates through a medium.
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Preferred frame
In theoretical physics, a preferred or privileged frame is usually a special hypothetical frame of reference in which the laws of physics might appear to be identifiably different (simpler) from those in other frames.
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Proper time
In relativity, proper time along a timelike world line is defined as the time as measured by a clock following that line.
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Propulsion
Propulsion means to push forward or drive an object forward.
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Quantum entanglement
Quantum entanglement is a physical phenomenon which occurs when pairs or groups of particles are generated, interact, or share spatial proximity in ways such that the quantum state of each particle cannot be described independently of the state of the other(s), even when the particles are separated by a large distance—instead, a quantum state must be described for the system as a whole.
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Quantum field theory
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
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Quantum gravity
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, such as near compact astrophysical objects where the effects of gravity are strong.
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Quantum mechanics
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
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Quantum mechanics of time travel
Until recently, most studies on time travel are based upon classical general relativity.
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Quantum teleportation
Quantum teleportation is a process by which quantum information (e.g. the exact state of an atom or photon) can be transmitted (exactly, in principle) from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location.
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Quantum tunnelling
Quantum tunnelling or tunneling (see spelling differences) is the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically cannot surmount.
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Relativistic speed
Relativistic speed refers to speed at which relativistic effects become significant to the desired accuracy of measurement of the phenomenon being observed.
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Relativity of simultaneity
In physics, the relativity of simultaneity is the concept that distant simultaneity – whether two spatially separated events occur at the same time – is not absolute, but depends on the observer's reference frame.
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Retrocausality
Retrocausality or Backwards causation is a concept of cause and effect where the effect precedes its cause in time.
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Ring singularity
A ring singularity or ringularity is the gravitational singularity of a rotating black hole, or a Kerr black hole, that is shaped like a ring.
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Rip Van Winkle
"Rip Van Winkle" is a short story by the American author Washington Irving first published in 1819.
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Robert A. Heinlein
Robert Anson Heinlein (See also the biography at the end of For Us, the Living, 2004 edition, p. 261. July 7, 1907 – May 8, 1988) was an American science-fiction writer.
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Roman ring
In general relativity, a Roman ring (proposed by Matt Visser in 1997 and named after the Roman arch, a concept proposed by Mike Morris and Kip Thorne in 1988 and named after physicist Tom Roman) is a configuration of wormholes where no subset of wormholes is near to chronology violation, though the combined system can be arbitrarily close to chronology violation.
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Ronald Mallett
Ronald Lawrence "Ron" Mallett (born March 30, 1945) is an American theoretical physicist, academic, and author.
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Routledge
Routledge is a British multinational publisher.
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Samuel Madden
Samuel Madden (23 December 1686 - 31 December 1765) was an Irish author.
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Science fiction
Science fiction (often shortened to Sci-Fi or SF) is a genre of speculative fiction, typically dealing with imaginative concepts such as advanced science and technology, spaceflight, time travel, and extraterrestrial life.
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Second law of thermodynamics
The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.
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Semiclassical gravity
Semiclassical gravity is the approximation to the theory of quantum gravity in which one treats matter fields as being quantum and the gravitational field as being classical.
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Sergei Avdeyev
Sergei Vasilyevich Avdeyev (Сергей Васильеви Авдеев, born 1 January 1956) is a Russian engineer and cosmonaut.
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Shengwang Du
Shengwang Du is a professor in the department of physics at Hong Kong University of Science and Technology.
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Slow light
Slow light is the propagation of an optical pulse or other modulation of an optical carrier at a very low group velocity.
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Somewhere in Time (film)
Somewhere in Time is a 1980 American romantic science fiction drama film directed by Jeannot Szwarc.
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Space
Space is the boundless three-dimensional extent in which objects and events have relative position and direction.
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Spacetime
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
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Special relativity
In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.
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Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
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Springer Science+Business Media
Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
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Stagecoach
A stagecoach is a four-wheeled public coach used to carry paying passengers and light packages on journeys long enough to need a change of horses.
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Stephen Hawking
Stephen William Hawking (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author, who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death.
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Suspended animation
Suspended animation is the inducement of a temporary cessation or decay of main body functions, including the brain, to a hypometabolic state in order to try to preserve its mental and physiological capabilities.
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Synchronization
Synchronization is the coordination of events to operate a system in unison.
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Tachyonic antitelephone
A tachyonic antitelephone is a hypothetical device in theoretical physics that could be used to send signals into one's own past.
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Temporal paradox
A temporal paradox, time paradox, or time travel paradox is a paradox, an apparent contradiction, or a logical contradiction that is associated with the idea of time and time travel.
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The Clock that Went Backward
"The Clock That Went Backward" is a fantasy short story by Edward Page Mitchell.
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The New York Review of Science Fiction
The New York Review of Science Fiction is a monthly literary magazine of science fiction that was established in 1988.
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The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
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The Sleeper Awakes
The Sleeper Awakes (1910) is a dystopian science fiction novel by H. G. Wells about a man who sleeps for two hundred and three years, waking up in a completely transformed London where he has become the richest man in the world.
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The Sun (New York City)
The Sun was a New York newspaper that was published from 1833 until 1950.
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The Time Machine
The Time Machine is a science fiction novella by H. G. Wells, published in 1895 and written as a frame narrative.
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Theoretical physics
Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena.
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Theory of relativity
The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity.
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Tim Maudlin
Tim William Eric Maudlin (born April 23, 1958, Washington, D.C.) is an American philosopher of science who has mainly studied the foundations of physics, metaphysics and logic.
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Time
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
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Time capsule
A time capsule is a historic cache of goods or information, usually intended as a method of communication with future people and to help future archaeologists, anthropologists, or historians.
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Time dilation
According to the theory of relativity, time dilation is a difference in the elapsed time measured by two observers, either due to a velocity difference relative to each other, or by being differently situated relative to a gravitational field.
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Time perception
Time perception is a field of study within psychology, cognitive linguistics and neuroscience that refers to the subjective experience, or sense, of time, which is measured by someone's own perception of the duration of the indefinite and unfolding of events.
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Time travel claims and urban legends
There have been various accounts of persons who allegedly travelled through time reported by the press or circulated on the Internet.
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Time travel in fiction
Time travel is a common theme in fiction and has been depicted in a variety of media, such as literature, television, film, and advertisements.
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Timeline
A timeline is a display of a list of events in chronological order.
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Tipler cylinder
A Tipler cylinder, also called a Tipler time machine, is a hypothetical object theorized to be a potential mode of time travel—although results have shown that a Tipler cylinder could only allow time travel if its length were infinite or with the existence of negative energy.
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Traditions and student activities at MIT
The traditions and student activities at the Massachusetts Institute of Technology encompass hundreds of student activities, organizations, and athletics that contribute to MIT's distinct culture.
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Twin paradox
In physics, the twin paradox is a thought experiment in special relativity involving identical twins, one of whom makes a journey into space in a high-speed rocket and returns home to find that the twin who remained on Earth has aged more.
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University of Koblenz and Landau
The University of Koblenz and Landau (German Universität Koblenz-Landau) is a university located in Koblenz and Landau, Germany.
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University of Toronto
The University of Toronto (U of T, UToronto, or Toronto) is a public research university in Toronto, Ontario, Canada on the grounds that surround Queen's Park.
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Urashima Tarō
is the protagonist of a Japanese fairy tale (otogi banashi), who in a typical modern version is a fisherman who is rewarded for rescuing a turtle, and carried on its back to the Dragon Palace (Ryūgū-jō) which lies beneath the sea.
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Washington Irving
Washington Irving (April 3, 1783 – November 28, 1859) was an American short story writer, essayist, biographer, historian, and diplomat of the early 19th century.
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Wave interference
In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.
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Wheeler–Feynman absorber theory
The Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory), named after its originators, the physicists Richard Feynman and John Archibald Wheeler, is an interpretation of electrodynamics derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves.
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Willem Jacob van Stockum
Willem Jacob van Stockum (20 November 1910 – 10 June 1944) was a mathematician who made an important contribution to the early development of general relativity.
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Wired (magazine)
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
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World line
The world line (or worldline) of an object is the path that object traces in -dimensional spacetime.
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Wormhole
A wormhole is a concept that represents a solution of the Einstein field equations: a non-trivial resolution of the Ehrenfest paradox structure linking separate points in spacetime.
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Causality violation, Philosophy of Time Travel, Sent back in time, Temporal Displacement Device, Temporal Motion, Temporal displacement, Temporal mechanics, Time Travel, Time craft, Time files, Time machine, Time macine, Time regression, Time traveling, Time travelling, Time-machine, Time-travel, Time-traveling, Time-travelling, Timetravel, Travel through time, Travelling thru time.
References
[1] https://en.wikipedia.org/wiki/Time_travel
