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  2. Time-traveler UFO hypothesis - Wikipedia

    en.wikipedia.org/wiki/Time-traveler_UFO_hypothesis

    Although traveling back in time is almost-universally considered physically impossible, theoretical research has explored whether it might be possible. [8] It has also been speculated by scientists such as J. Richard Gott, Ronald Mallet [9] and others [10] [11] that humans may someday be able to time travel to the past. [12]

  3. Time travel - Wikipedia

    en.wikipedia.org/wiki/Time_travel

    Time travel is the hypothetical activity of traveling into the past or future. Time travel is a concept in philosophy and fiction, particularly science fiction. In fiction, time travel is typically achieved through the use of a device known as a time machine. The idea of a time machine was popularized by H. G. Wells's 1895 novel The Time ...

  4. Temporal paradox - Wikipedia

    en.wikipedia.org/wiki/Temporal_paradox

    A bootstrap paradox, also known as an information loop, an information paradox, [6] an ontological paradox, [7] or a "predestination paradox" is a paradox of time travel that occurs when any event, such as an action, information, an object, or a person, ultimately causes itself, as a consequence of either retrocausality or time travel. [8] [9 ...

  5. Time Traveling to the Present - AOL

    www.aol.com/news/time-traveling-present...

    A prediction of the future does not reality make. For premium support please call: 800-290-4726 more ways to reach us

  6. How Exactly Does Time Travel Work in Outlander? - AOL

    www.aol.com/exactly-does-time-travel-outlander...

    As far as timing goes, travel seems to be easier at certain times of year, seemingly at times related to the changing seasons. Claire first traveled back in time just after the festival of Beltane ...

  7. Quantum mechanics of time travel - Wikipedia

    en.wikipedia.org/wiki/Quantum_mechanics_of_time...

    The theoretical study of time travel generally follows the laws of general relativity. Quantum mechanics requires physicists to solve equations describing how probabilities behave along closed timelike curves (CTCs), which are theoretical loops in spacetime that might make it possible to travel through time. [1] [2] [3] [4]

  8. The 35 Best Books About Time Travel - AOL

    www.aol.com/lifestyle/35-best-books-time-travel...

    Here are 35 great time travel stories. ... 31 people get into time machines and try to change the past. That's where Charles Yu, time travel technician, steps in. ... TurboTax for 30% off on ...

  9. Tachyonic antitelephone - Wikipedia

    en.wikipedia.org/wiki/Tachyonic_antitelephone

    A tachyonic antitelephone is a hypothetical device in theoretical physics that could be used to send signals into one's own past. Albert Einstein in 1907 [1] [2] presented a thought experiment of how faster-than-light signals can lead to a paradox of causality, which was described by Einstein and Arnold Sommerfeld in 1910 as a means "to telegraph into the past". [3]