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Evolution Of Time - Is Time Travel Possible ?

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About 13.5 billion years ago, Matter, energy, space and time came into being in what is known as the Big Bang.
Over the centuries, many philosophers and scientists, such as Aristotle and Newton, believed that time was absolute after the Big Bang. That is, they believed that one could unambiguously measure the interval of time between two events, and that this time would be the same whoever measured it, provided they used a good clock. Time was completely separate from and independent of space. This is what most people would take to be the commonsense view. However, we have had to change our ideas about space and time. Although our apparently commonsense notions work well when dealing with things like apples, or planets that travel comparatively slowly, they don’t work at all for things moving at or near the speed of light.
Well, although it is impossible to reach the speed of light, can we bend time if we approach the speed of light?
Chapters
0:00 Background
0:55 Intro
1:40 Einstein's Theory of Special Relativity
2:07 Spacetime
2:21 Time Dilation
2:54 The Speed Of Light
3:24 How to Bend Time
3:31 Time Travel
4:47 Troubles
5:43 Next Video
5:56 Outro
Literature
"Galileo ... is the father of modern physics—indeed of modern science" —Albert Einstein, quoted in Stephen Hawking, ed. p. 398, On the Shoulders of Giants.
Hawking, S. (1988). A Brief History of Time. New York: Bantam Books. ISBN 978-0-553-34614-5.
Albert Einstein (2001). Relativity: The Special and the General Theory (Reprint of 1920 translation by Robert W. Lawson ed.). Routledge. p. 48. ISBN 978-0-415-25384-0.
"Science: A Question of Time". Time Magazine. October 18, 1971.
Einstein, A., Lorentz, H. A., Minkowski, H., & Weyl, H. (1952). The Principle of Relativity: a collection of original memoirs on the special and general theory of relativity. Courier Dover Publications. p. 111. ISBN 978-0-486-60081-9.
Frank Arntzenius; Tim Maudlin (December 23, 2009), "Time Travel and Modern Physics"
Anderson, Mark (August 18–24, 2007). "Light seems to defy its own speed limit". New Scientist. 195 (2617). p. 10.
Mowbray, Scott (19 February 2002). "Let's Do the Time Warp Again". Popular Science. Retrieved 8 July 2011. Spending just over two years in Mir's Earth orbit, going 17,500 miles per hour, put Sergei Avdeyev 1/50th of a second into the future ... 'he's the greatest time traveler we have so far.'
Lang, Kenneth (2013). Astrophysical Formulae: Space, Time, Matter and Cosmology (3rd, illustrated ed.). Springer. p. 152. ISBN 978-3-662-21639-2
Alley, C.O. (1979). "Relativity and Clocks". Proceedings of 33rd Annual Symposium on Frequency Control: 4–39.
"Interstellar". British Board of Film Classification. October 20, 2014. Archived from the original on October 20, 2014. Retrieved October 20, 2014.
Visser, Matt (1993). "From wormhole to time machine: Comments on Hawking's Chronology Protection Conjecture". Physical Review D. 47 (2): 554–565.
Nielsen, Michael; Chuang, Isaac (2000). Quantum Computation and Quantum Information. Cambridge. p. 28. ISBN 978-0-521-63235-5.
Nave, Carl Rod (2012). "Hafele-Keating Experiment". HyperPhysics. Retrieved April 26, 2017.
Visual Sources
Vova Krasilnikov's video on Pexels
Nick Bondarev's video on Pexels
Frank Cone's video on Pexels
Tima Miroshnichenko's video on Pexels
Rafael Castro's video on Pexels
Pressmaster's video on Pexels
Engin Akyurt's video on Pexels
Pixabay's video on Pexels
ESO/L. Calçada - Space-Time bending, Animation.
"Proteales Productions - M.Kuru - 2020"
Over the centuries, many philosophers and scientists, such as Aristotle and Newton, believed that time was absolute after the Big Bang. That is, they believed that one could unambiguously measure the interval of time between two events, and that this time would be the same whoever measured it, provided they used a good clock. Time was completely separate from and independent of space. This is what most people would take to be the commonsense view. However, we have had to change our ideas about space and time. Although our apparently commonsense notions work well when dealing with things like apples, or planets that travel comparatively slowly, they don’t work at all for things moving at or near the speed of light.
Well, although it is impossible to reach the speed of light, can we bend time if we approach the speed of light?
Chapters
0:00 Background
0:55 Intro
1:40 Einstein's Theory of Special Relativity
2:07 Spacetime
2:21 Time Dilation
2:54 The Speed Of Light
3:24 How to Bend Time
3:31 Time Travel
4:47 Troubles
5:43 Next Video
5:56 Outro
Literature
"Galileo ... is the father of modern physics—indeed of modern science" —Albert Einstein, quoted in Stephen Hawking, ed. p. 398, On the Shoulders of Giants.
Hawking, S. (1988). A Brief History of Time. New York: Bantam Books. ISBN 978-0-553-34614-5.
Albert Einstein (2001). Relativity: The Special and the General Theory (Reprint of 1920 translation by Robert W. Lawson ed.). Routledge. p. 48. ISBN 978-0-415-25384-0.
"Science: A Question of Time". Time Magazine. October 18, 1971.
Einstein, A., Lorentz, H. A., Minkowski, H., & Weyl, H. (1952). The Principle of Relativity: a collection of original memoirs on the special and general theory of relativity. Courier Dover Publications. p. 111. ISBN 978-0-486-60081-9.
Frank Arntzenius; Tim Maudlin (December 23, 2009), "Time Travel and Modern Physics"
Anderson, Mark (August 18–24, 2007). "Light seems to defy its own speed limit". New Scientist. 195 (2617). p. 10.
Mowbray, Scott (19 February 2002). "Let's Do the Time Warp Again". Popular Science. Retrieved 8 July 2011. Spending just over two years in Mir's Earth orbit, going 17,500 miles per hour, put Sergei Avdeyev 1/50th of a second into the future ... 'he's the greatest time traveler we have so far.'
Lang, Kenneth (2013). Astrophysical Formulae: Space, Time, Matter and Cosmology (3rd, illustrated ed.). Springer. p. 152. ISBN 978-3-662-21639-2
Alley, C.O. (1979). "Relativity and Clocks". Proceedings of 33rd Annual Symposium on Frequency Control: 4–39.
"Interstellar". British Board of Film Classification. October 20, 2014. Archived from the original on October 20, 2014. Retrieved October 20, 2014.
Visser, Matt (1993). "From wormhole to time machine: Comments on Hawking's Chronology Protection Conjecture". Physical Review D. 47 (2): 554–565.
Nielsen, Michael; Chuang, Isaac (2000). Quantum Computation and Quantum Information. Cambridge. p. 28. ISBN 978-0-521-63235-5.
Nave, Carl Rod (2012). "Hafele-Keating Experiment". HyperPhysics. Retrieved April 26, 2017.
Visual Sources
Vova Krasilnikov's video on Pexels
Nick Bondarev's video on Pexels
Frank Cone's video on Pexels
Tima Miroshnichenko's video on Pexels
Rafael Castro's video on Pexels
Pressmaster's video on Pexels
Engin Akyurt's video on Pexels
Pixabay's video on Pexels
ESO/L. Calçada - Space-Time bending, Animation.
"Proteales Productions - M.Kuru - 2020"
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