Relativity

1969 topics in this forum

1. What is Space made of? 1 2 3 4 15

   By Mordred, May 31, 2015
   • 352 replies
   • 71.9k views
   • 
   • crazzy__physicist
   • December 20, 2023

2. Is rapidity a measure of acceleration?

   By md65536, Friday at 09:15 AM
   • 18 replies
   • 382 views
   • 
   • KJW
   • Monday at 08:46 PM

3. Calculating time for light clock time dilation ?

   By jv1, Friday at 04:08 PM
   • 13 replies
   • 350 views
   • 
   • swansont
   • Saturday at 11:44 PM

4. The spacetime interval versus a chain of causative events

   By geordief, April 8
   • 21 replies
   • 589 views
   • 
   • Halc
   • April 16

5. Length contraction in a doughnut shaped universe.

   By grayson, April 1
   • 3 replies
   • 266 views
   • 
   • md65536
   • April 6

6. Is the spacetime model necessary between frames that are relatively stationary?

   By geordief, March 28
   • 4 replies
   • 237 views
   • 
   • swansont
   • March 28

7. A different way of looking at the trampoline analogy

   By geordief, March 17
   • 24 replies
   • 645 views
   • 
   • Mordred
   • March 23

8. Material Falling Onto Neutron Stars

   By RyanJ, March 14
   • 6 replies
   • 300 views
   • 
   • RyanJ
   • March 16

9. Do inspiral charged black hole pairs radiate light? 1 2

   By md65536, February 18
   • 42 replies
   • 1.6k views
   • 
   • md65536
   • March 7

10. Light orbiting a black hole

    By md65536, February 18
    • 10 replies
    • 528 views
    • 
    • md65536
    • February 24

11. Curiosity on the relationship between matter and energy

    By Silverstreak, February 18
    • 11 replies
    • 586 views
    • 
    • Eise
    • February 19

12. Does the time exist? 1 2 3 4 7

    By Heis3nberg, July 2, 2021
    • 158 replies
    • 11.3k views
    • 
    • dimreepr
    • January 22

13. Gravitational waves (split from 12 h Tides (inertia))

    By Capiert, January 14
    • 2 replies
    • 168 views
    • 
    • swansont
    • January 14

14. Neutral simultaneity for two frames. 1 2 3 4 8

    By DimaMazin, December 9, 2022
    • 197 replies
    • 9.6k views
    • 
    • Bufofrog
    • January 12

15. Time travel is not logically possible

    By Boltzmannbrain, January 4
    • 20 replies
    • 1.2k views
    • 
    • Boltzmannbrain
    • January 6

16. Do gravitational waves distort time?

    By Danijel Gorupec, December 26, 2023
    • 10 replies
    • 579 views
    • 
    • Genady
    • January 2

17. How can a tensor describe curvature?

    By grayson, December 20, 2023
    • 7 replies
    • 491 views
    • 
    • Sensei
    • December 21, 2023

18. About the Einstein tensor.

    By grayson, December 16, 2023
    • 18 replies
    • 966 views
    • 
    • Markus Hanke
    • December 20, 2023

19. Constant v Invariant

    By studiot, November 7, 2023
    • 14 replies
    • 815 views
    • 
    • studiot
    • November 28, 2023

20. Analogies for relativistic physics 1 2 3 4 5

    By Killtech, November 4, 2023
    • 116 replies
    • 5.2k views
    • 
    • joigus
    • November 27, 2023

21. A problem to the theory of relativity ? 1 2 3

    By Bjarne-7, November 21, 2023
    • 55 replies
    • 2.9k views
    • 
    • swansont
    • November 25, 2023

22. Space as a patchwork of chessboards

    By Knowledge Enthusiast, November 22, 2023
    • 4 replies
    • 244 views
    • 
    • Bufofrog
    • November 23, 2023

23. Can the existence of the Graviton be discounted ? 1 2

    By mistermack, October 3, 2023
    • 49 replies
    • 2.5k views
    • 
    • Boltzmannbrain
    • November 5, 2023

24. Relativity in Geometry and Physics 1 2 3

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

25. Visualizing tensors

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