Relativity

1971 topics in this forum

1. Relativity in Geometry and Physics 1 2 3

   By Killtech, September 24, 2023
   • 50 replies
   • 2.6k views
   • 
   • studiot
   • October 24, 2023

2. Visualizing tensors

   By Genady, September 8, 2023
   • 8 replies
   • 555 views
   • 
   • Genady
   • September 9, 2023

3. Check your time dilation intuition

   By Genady, September 5, 2023
   • 18 replies
   • 807 views
   • 
   • Genady
   • September 7, 2023

4. Speed of Time 1 2

   By M.Ross, June 21, 2022
   • 32 replies
   • 2.1k views
   • 
   • Genady
   • September 4, 2023

5. What are alternative formulations of GR?

   By Genady, March 14, 2023
   • 17 replies
   • 1.3k views
   • 
   • Genady
   • September 1, 2023

6. Why "even light"? 1 2 3 4 6

   By Genady, July 31, 2023
   • 132 replies
   • 4.6k views
   • 
   • studiot
   • August 13, 2023

7. If different elementary particles are at highly different relative velocities, how can it be said that an atom or larger mass is in its own frame?

   By CrypticFish, July 10, 2023
   • 14 replies
   • 755 views
   • 
   • exchemist
   • July 10, 2023

8. Need help from any math people here with special relativity.

   By Michael_123_, July 3, 2023
   • 1 reply
   • 449 views
   • 
   • Genady
   • July 4, 2023

9. Gravitational waves (split from Wave-Particle Duality)

   By MJ kihara, June 27, 2023
   • 11 replies
   • 823 views
   • 
   • swansont
   • June 30, 2023

10. Spacetime intervals

    By geordief, June 16, 2023
    • 8 replies
    • 565 views
    • 
    • md65536
    • June 17, 2023

11. Was there a maximum speed during Inflation? 1 2

    By geordief, May 8, 2023
    • 31 replies
    • 1.7k views
    • 
    • Mordred
    • May 11, 2023

12. The nature of space and time

    By Sarki, May 6, 2023
    • 2 replies
    • 605 views
    • 
    • swansont
    • May 6, 2023

13. ... paradox help needed ...

    By zetetic56, April 25, 2023
    • 10 replies
    • 998 views
    • 
    • zetetic56
    • April 26, 2023

14. Paradox? (split from Is FTL actually possible?) 1 2 3

    By Genady, April 8, 2023
    • 64 replies
    • 3.2k views
    • 
    • studiot
    • April 12, 2023

15. If the Earth was made of gruyere cheese...

    By geordief, March 27, 2023
    • 4 replies
    • 567 views
    • 
    • Markus Hanke
    • March 28, 2023

16. Gravitational waves inside the Earth(or similar object) 1 2

    By geordief, March 20, 2023
    • 30 replies
    • 1.6k views
    • 
    • Markus Hanke
    • March 21, 2023

17. Re imagining the trampoline analogy

    By geordief, March 19, 2023
    • 1 reply
    • 454 views
    • 
    • Markus Hanke
    • March 20, 2023

18. Momentum and spacetime curvature 1 2

    By geordief, March 8, 2023
    • 32 replies
    • 2.1k views
    • 
    • Genady
    • March 19, 2023

19. Twin paradox (split from Hijack from Jumping out of the black hole)

    By MJ kihara, March 14, 2023
    • 5 replies
    • 527 views
    • 
    • Phi for All
    • March 15, 2023

20. Logic and illogic make up the string.

    By deema, March 14, 2023
    • 1 reply
    • 283 views
    • 
    • Phi for All
    • March 14, 2023

21. Expansion of the universe or contraction of scale?

    By katahiromz, March 6, 2023
    • 14 replies
    • 1.1k views
    • 
    • Genady
    • March 7, 2023

22. Recording or perceiving the activity of an oncoming object

    By geordief, March 2, 2023
    • 17 replies
    • 786 views
    • 
    • Genady
    • March 4, 2023

23. Lorentz transformations btw rotating frames of reference

    By geordief, February 25, 2023
    • 5 replies
    • 552 views
    • 
    • md65536
    • February 26, 2023

24. coming apart from

    By Ibrahim Sanad, February 22, 2023
    • 2 replies
    • 388 views
    • 
    • Lorentz Jr
    • February 22, 2023

25. The twin Paradox revisited 1 2 3 4 9

    By Awatso, February 10, 2023
    • 204 replies
    • 7.2k views
    • 
    • martillo
    • February 20, 2023