Relativity

1989 topics in this forum

1. The spacetime interval in General Relativity

   By geordief, April 21, 2020
   • 13 replies
   • 2k views
   • 
   • md65536
   • April 24, 2020

2. Length contraction and squeezed states (split from Create visible light...)

   By Kartazion, April 21, 2020
   • 1 reply
   • 877 views
   • 
   • Strange
   • April 21, 2020

3. understanding Space Time curvature

   By acharyajit, April 19, 2020
   • 3 replies
   • 1.1k views
   • 
   • Mordred
   • April 19, 2020

4. Classic hijack (from Are the weirdnesses of QM still regarded as mysteries to be resolved?)

   By LaurieAG, March 9, 2020
   • 9 replies
   • 1.7k views
   • 
   • LaurieAG
   • March 18, 2020

5. General Relativity Explained 1 2 3

   By scuddyx, January 18, 2020
   • 69 replies
   • 47k views
   • 
   • Strange
   • March 13, 2020

6. Twins paradox explained without forces 1 2 3 4 6

   By scuddyx, January 21, 2020
   • 126 replies
   • 39.2k views
   • 
   • md65536
   • February 24, 2020

7. Actual examples of spacetime curvature

   By geordief, February 21, 2020
   • 6 replies
   • 1.5k views
   • 
   • Mordred
   • February 22, 2020

8. The Observer

   By geordief, February 17, 2020
   • 20 replies
   • 2.3k views
   • 
   • Markus Hanke
   • February 18, 2020

9. timedilation contradiction 1 2

   By hu??, January 26, 2020
   • 42 replies
   • 29.3k views
   • 
   • Strange
   • February 8, 2020

10. IF all celestrial bodies were legitimately spherical, and all orbits were syncroneous... 1 2

    By poo thrower, December 28, 2019
    • 32 replies
    • 3.7k views
    • 
    • Phi for All
    • February 5, 2020

11. The principle of Maximum ageing 1 2

    By crowman, January 12, 2020
    • 34 replies
    • 5.7k views
    • 
    • moth
    • January 26, 2020

12. Gravitational waves (split from The speed of propagation of gravity)

    By Dagl1, January 21, 2020
    • 9 replies
    • 1.2k views
    • 
    • MigL
    • January 23, 2020

13. Red shift

    By between3and26characterslon, January 14, 2020
    • 15 replies
    • 2.2k views
    • 
    • Markus Hanke
    • January 21, 2020

14. space

    By eino olavi!, January 9, 2020
    • 2 replies
    • 1.1k views
    • 
    • studiot
    • January 9, 2020

15. idea

    By eino olavi!, January 5, 2020
    • 11 replies
    • 2.1k views
    • 
    • Sensei
    • January 6, 2020

16. GR and particle physics

    By geordief, December 30, 2019
    • 8 replies
    • 2.1k views
    • 
    • Markus Hanke
    • January 4, 2020

17. Something's wrong with the way we calculate mass

    By Lan Todak, December 30, 2019
    • 22 replies
    • 2.6k views
    • 
    • Strange
    • January 1, 2020

18. Spacetime with just em radiation

    By geordief, December 16, 2019
    • 13 replies
    • 1.7k views
    • 
    • Markus Hanke
    • December 20, 2019

19. How does Gravitational Mass work? 1 2 3

    By geordief, December 9, 2019
    • 56 replies
    • 55.5k views
    • 
    • studiot
    • December 15, 2019

20. why negative 1 2

    By michel123456, December 18, 2010
    • 34 replies
    • 21.7k views
    • 
    • <Veronica>
    • November 19, 2019

21. The Single Postulate for SR

    By geordief, November 11, 2019
    • 16 replies
    • 2k views
    • 
    • geordief
    • November 13, 2019

22. Who came up with the idea of relative time?

    By geordief, July 24, 2019
    • 14 replies
    • 2.6k views
    • 
    • Eise
    • November 12, 2019

23. Relativity (split from Can relativity be applied to light speed?) 1 2

    By MPMin, August 15, 2019
    • 47 replies
    • 10.1k views
    • 
    • studiot
    • November 12, 2019

24. Twin paradox math problem 1 2

    By md65536, September 1, 2019
    • 27 replies
    • 51.4k views
    • 
    • Mordred
    • November 12, 2019

25. The invariance of c 1 2 3

    By geordief, October 1, 2019
    • 66 replies
    • 21.2k views
    • 
    • Schmelzer
    • November 11, 2019