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  1. This paper discusses the implications Albert Einstein's Theory of Relativity has in regards to time travel.

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  2. Abstract. This paper is an enquiry into the logical, metaphysical, and physical possibility of time travel understood in the sense of the existence of closed worldlines that can be traced out by physical objects. We argue that none of the purported paradoxes rule out time travel either on grounds of logic or metaphysics.

  3. 1 Οκτ 2009 · We argue that none of the purported paradoxes rule out time travel either on grounds of logic or metaphysics. More relevantly, modern spacetime theories such as general relativity seem to...

  4. Relativity and Time Travel. M. C. Escher. Outline. Special relativity. The twin paradox. General relativity. Time travel and the grandfather paradox. Faster than the speed of light? Wormholes and warp drive. Idea: what could an arbitrarily advanced alien species do? The Equivalence Principle. Throughout this lecture, please keep in mind:

  5. Special Relativity(SR) states that the physical laws of nature take the same form in all uniformly moving inertial frames and remain unchanged under a Lorentz transformation. It also states that light speed "c" is constant in all inertial frames and is independent of the speed of its source.

  6. Space and Time in Special Relativity. Dan Styer; c 28 September 2015; 3 February 2021. Contents. Introduction. Lorentz transformation. Speed transformation. Time dilation, length contraction, and the relativity of synchronization. Pole in the barn. The tossed tomato: Causality and speed limits. Rigidity, straightness, and strength.

  7. Really fast. The speed of sound is around 300 ms 1; escape velocity from the Earth is around 104 ms 1; the orbital speed of our solar system in the Milky Way galaxy is around 105 ms 1. As we shall soon see, nothing travels faster than c. The theory of special relativity rests on two experimental facts.

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