Relativity

1971 topics in this forum

1. What is the 3rd dimension? 1 2

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

2. Time (split from Time and time perception (split from Can I say that Time is Linear?))

   By Conscious Energy, March 18, 2021
   • 22 replies
   • 2.1k views
   • 
   • beecee
   • March 21, 2021

3. Falling into a black hole "paradox" 1 2 3

   By md65536, March 12, 2021
   • 60 replies
   • 5.2k views
   • 
   • J.C.MacSwell
   • March 17, 2021

4. What causes motion?

   By geordief, March 16, 2021
   • 1 reply
   • 696 views
   • 
   • swansont
   • March 16, 2021

5. Synchronizing clocks in different frames of reference. 1 2

   By geordief, March 11, 2021
   • 25 replies
   • 2.2k views
   • 
   • swansont
   • March 13, 2021

6. Accelerating Particles in Spacial Relativity

   By Anamitra Palit, March 6, 2021
   • 2 replies
   • 1k views
   • 
   • swansont
   • March 6, 2021

7. The rights and wrongs of Henri Bergson 1 2

   By studiot, February 24, 2021
   • 34 replies
   • 2.8k views
   • 
   • beecee
   • February 27, 2021

8. The massless universe

   By AbstractDreamer, May 14, 2020
   • 20 replies
   • 4.1k views
   • 
   • Markus Hanke
   • February 1, 2021

9. O the Riemann Curvature Tensor

   By Anamitra Palit, January 20, 2021
   • 18 replies
   • 2k views
   • 
   • Markus Hanke
   • January 29, 2021

10. The Enigma of the Tensors

    By Anamitra Palit, January 23, 2021
    • 7 replies
    • 1.3k views
    • 
    • joigus
    • January 25, 2021

11. Norm Square of the Four Acceleration Vector

    By Anamitra Palit, January 16, 2021
    • 24 replies
    • 2.7k views
    • 
    • Markus Hanke
    • January 24, 2021

12. Inferences from the General Relativity Metric

    By Anamitra Palit, January 19, 2021
    • 12 replies
    • 1.6k views
    • 
    • joigus
    • January 22, 2021

13. On the Metric Coefficients

    By Anamitra Palit, January 18, 2021
    • 2 replies
    • 854 views
    • 
    • Anamitra Palit
    • January 18, 2021

14. Transformation of the Covariant Derivative

    By Anamitra Palit, December 19, 2020
    • 12 replies
    • 1.4k views
    • 
    • studiot
    • December 23, 2020

15. Coexist vs Simultaneous 1 2

    By vexspits, November 3, 2020
    • 25 replies
    • 66.8k views
    • 
    • md65536
    • December 18, 2020

16. Dr. Strange

    By doctorstrange, December 6, 2020
    • 2 replies
    • 1k views
    • 
    • swansont
    • December 6, 2020

17. Albert Einstein, definitely the best

    By motlan, November 26, 2020
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • November 26, 2020

18. Twin paradox when Earth is the moving frame

    By pengkuan, May 22, 2019
    • 7 replies
    • 2k views
    • 
    • pengkuan
    • November 25, 2020

19. Analytical equation for Space-Time geodesics and relativistic orbit equation

    By pengkuan, November 25, 2020
    • 0 replies
    • 841 views
    • 
    • pengkuan
    • November 25, 2020

20. Gravity and Space

    By jajrussel, November 2, 2020
    • 17 replies
    • 2.1k views
    • 
    • joigus
    • November 15, 2020

21. Does space-time describe the relationship between different frames of reference?

    By geordief, November 11, 2020
    • 5 replies
    • 1.1k views
    • 
    • swansont
    • November 11, 2020

22. FTL thought experiment 1 2

    By Moontanman, October 31, 2020
    • 33 replies
    • 128.6k views
    • 
    • md65536
    • November 7, 2020

23. Curved coordinates and the frame of reference that applies to them

    By geordief, November 4, 2020
    • 18 replies
    • 1.6k views
    • 
    • studiot
    • November 6, 2020

24. Another go at my spacetime interval question from a week or so ago.

    By geordief, October 17, 2020
    • 17 replies
    • 2k views
    • 
    • md65536
    • October 26, 2020

25. Space-time curvature

    By awaterpon, October 12, 2020
    • 19 replies
    • 2.1k views
    • 
    • ALine
    • October 16, 2020