Relativity

1973 topics in this forum

1. Does time have a speed? 1 2 3 4 6

   By qwe)k, April 12, 2008
   • 125 replies
   • 24.4k views
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   • between3and26characterslon
   • November 15, 2014

2. Time travelling 1 2 3 4 9

   By MadScientist, July 31, 2004
   • 206 replies
   • 23.7k views
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   • AtomicMX
   • March 10, 2005

3. Why does FTL imply causality violation? 1 2 3

   By Smokeskin, October 17, 2011
   • 50 replies
   • 23.4k views
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   • Widdekind
   • January 21, 2012

4. Curved space 1 2 3 4 7

   By Anilkumar, June 4, 2011
   • 161 replies
   • 23.1k views
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   • Santalum
   • February 11, 2012

5. I don't understand Theory of Relativity: A)I am not clever B)Nothing to understand 1 2 3 4 5

   By Myuncle, July 9, 2010
   • 109 replies
   • 23.1k views
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   • Myuncle
   • April 15, 2015

6. What is the 3rd dimension? 1 2

   By CuriosOne, October 14, 2020
   • 32 replies
   • 22.7k views
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   • cannongray
   • April 28, 2021

7. Faster than light 1 2 3 4 9

   By MajinVegeta, March 6, 2003
   • 209 replies
   • 21.5k views
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   • swansont
   • November 17, 2004

8. Relative Motion 1 2 3 4 11

   By Klaynos, June 20, 2008
   • 262 replies
   • 21.3k views
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   • Cap'n Refsmmat
   • June 22, 2008

9. Universal 'Now' at Time-Zero 1 2 3 4 9

   By StringJunky, August 16, 2016
   • 219 replies
   • 20.9k views
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   • Pugdaddy
   • April 19, 2017

10. why negative 1 2

    By michel123456, December 18, 2010
    • 34 replies
    • 20.2k views
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    • <Veronica>
    • November 19, 2019

11. The invariance of c 1 2 3

    By geordief, October 1, 2019
    • 66 replies
    • 19.9k views
    • 
    • Schmelzer
    • November 11, 2019

12. Infitine Space 1 2 3 4 6

    By Zarnaxus, March 10, 2011
    • 128 replies
    • 18.5k views
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    • Cap'n Refsmmat
    • May 20, 2011

13. Reissner-Nordstrom-? metric 1 2 3

    By Norman Albers, February 20, 2007
    • 71 replies
    • 18.3k views
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    • solidspin
    • July 21, 2009

14. Does Gravity Slow Light Moving Vertically? 1 2 3 4 6

    By JVNY, November 16, 2013
    • 142 replies
    • 17.8k views
    • 
    • xyzt
    • January 14, 2014

15. Difference Between General & Special Theory Of Relativity

    By thewonderer, January 25, 2010
    • 11 replies
    • 17.6k views
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    • Simpleton
    • March 19, 2010

16. seeing events in reverse order??? 1 2 3 4 5

    By physica, March 19, 2014
    • 118 replies
    • 17.2k views
    • 
    • Janus
    • July 25, 2018

17. Relativity of simultaneity and one-way speed of light 1 2 3 4 7

    By Andromacus, August 31, 2015
    • 167 replies
    • 17.1k views
    • 
    • Andromacus
    • September 18, 2015

18. Why nothing can go faster than speed of light. 1 2 3 4 7

    By Robittybob1, March 6, 2016
    • 152 replies
    • 17.1k views
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    • swansont
    • April 24, 2017

19. How fast is gravity? 1 2 3 4 6

    By algore, October 4, 2004
    • 138 replies
    • 16.5k views
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    • Spyman
    • March 18, 2005

20. The faster you move through space, the slower you move through time. Vice versa?

    By cameron marical, February 8, 2009
    • 20 replies
    • 16.5k views
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    • bombus
    • May 7, 2009

21. Light Speed question 1 2 3 4

    By munion, August 7, 2009
    • 97 replies
    • 16.3k views
    • 
    • Phi for All
    • March 28, 2011

22. Is the earth travelling in a straight line?

    By eon_rider, August 5, 2005
    • 8 replies
    • 16.2k views
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    • Daecon
    • August 8, 2005

23. twin paradox 1 2 3 4 7

    By Didymus, April 1, 2014
    • 155 replies
    • 16.2k views
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    • Fred Champion
    • May 25, 2014

24. A measure of the speed of time. 1 2 3 4

    By martianxx, November 5, 2007
    • 75 replies
    • 16.1k views
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    • altergnostic
    • December 14, 2012

25. covariant derivative of metric tensor 1 2

    By Off-diagonal, November 20, 2007
    • 28 replies
    • 16.1k views
    • 
    • Norman Albers
    • January 7, 2008