Relativity

1985 topics in this forum

1. Inferences from the General Relativity Metric

   By Anamitra Palit, January 19, 2021
   • 12 replies
   • 1.9k views
   • 
   • joigus
   • January 22, 2021

2. On the Metric Coefficients

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

3. Transformation of the Covariant Derivative

   By Anamitra Palit, December 19, 2020
   • 12 replies
   • 1.8k views
   • 
   • studiot
   • December 23, 2020

4. Coexist vs Simultaneous 1 2

   By vexspits, November 3, 2020
   • 25 replies
   • 67.6k views
   • 
   • md65536
   • December 18, 2020

5. Dr. Strange

   By doctorstrange, December 6, 2020
   • 2 replies
   • 1.2k views
   • 
   • swansont
   • December 6, 2020

6. Albert Einstein, definitely the best

   By motlan, November 26, 2020
   • 1 reply
   • 1.2k views
   • 
   • swansont
   • November 26, 2020

7. Twin paradox when Earth is the moving frame

   By pengkuan, May 22, 2019
   • 7 replies
   • 2.2k views
   • 
   • pengkuan
   • November 25, 2020

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

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

9. Gravity and Space

   By jajrussel, November 2, 2020
   • 17 replies
   • 2.4k views
   • 
   • joigus
   • November 15, 2020

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

    By geordief, November 11, 2020
    • 5 replies
    • 1.3k views
    • 
    • swansont
    • November 11, 2020

11. FTL thought experiment 1 2

    By Moontanman, October 31, 2020
    • 33 replies
    • 129.1k views
    • 
    • md65536
    • November 7, 2020

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

    By geordief, November 4, 2020
    • 18 replies
    • 1.8k views
    • 
    • studiot
    • November 6, 2020

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

    By geordief, October 17, 2020
    • 17 replies
    • 2.3k views
    • 
    • md65536
    • October 26, 2020

14. Space-time curvature

    By awaterpon, October 12, 2020
    • 19 replies
    • 2.5k views
    • 
    • ALine
    • October 16, 2020

15. What fundamentally is acceleration? 1 2

    By sgabc123, October 6, 2020
    • 31 replies
    • 102.7k views
    • 
    • md65536
    • October 10, 2020

16. Q's about acceleration (Hijack from What fundamentally is acceleration?)

    By geordief, October 6, 2020
    • 16 replies
    • 1.7k views
    • 
    • Curious layman
    • October 7, 2020

17. Deriving Relativity

    By geordief, October 2, 2020
    • 9 replies
    • 1.6k views
    • 
    • geordief
    • October 4, 2020

18. A mundane example of a spacetime interval being invariant

    By geordief, September 24, 2020
    • 24 replies
    • 3.4k views
    • 
    • Markus Hanke
    • October 3, 2020

19. Lightspeed?

    By Hello2, September 25, 2020
    • 3 replies
    • 1.3k views
    • 
    • Janus
    • September 25, 2020

20. GRAVITY: Force or Farce?

    By DEFinning, September 25, 2020
    • 15 replies
    • 2.1k views
    • 
    • joigus
    • September 25, 2020

21. Split from Time dilation dependence on direction

    By Charles 3781, September 23, 2020
    • 7 replies
    • 1.1k views
    • 
    • Janus
    • September 24, 2020

22. Time dilation dependence on direction

    By HongKongEvil, April 26, 2017
    • 8 replies
    • 6.9k views
    • 
    • swansont
    • September 24, 2020

23. The equivalence principle and the curvature of spacetime

    By geordief, September 22, 2020
    • 14 replies
    • 1.8k views
    • 
    • joigus
    • September 23, 2020

24. gravity can pull us through the cosmos to where we want to go 1 2 3

    By farsideofourmoon, May 13, 2020
    • 53 replies
    • 108k views
    • 
    • swansont
    • September 20, 2020

25. Time Zone Change Syndrome

    By 20ny, September 14, 2020
    • 6 replies
    • 1.7k views
    • 
    • Eise
    • September 15, 2020