Relativity

1971 topics in this forum

1. black holes wormholes and warp drives

   By sddfds, September 16, 2022
   • 1 reply
   • 581 views
   • 
   • joigus
   • September 16, 2022

2. Time dilation (split from The speed of time)

   By md65536, August 25, 2022
   • 7 replies
   • 926 views
   • 
   • md65536
   • September 13, 2022

3. What is happended to time in black hole?

   By Saleque Ahmed, September 3, 2022
   • 4 replies
   • 642 views
   • 
   • md65536
   • September 4, 2022

4. "Event separation " of objects

   By geordief, August 30, 2022
   • 13 replies
   • 852 views
   • 
   • geordief
   • August 31, 2022

5. wormholes and warp drives

   By sddfds, August 28, 2022
   • 4 replies
   • 710 views
   • 
   • swansont
   • August 29, 2022

6. A Possible Method to Solve Twin Paradox in Micro-Gravitational Field

   By DongchengZhao, August 22, 2022
   • 3 replies
   • 713 views
   • 
   • swansont
   • August 24, 2022

7. The energy of the Universe 1 2

   By geordief, August 1, 2022
   • 40 replies
   • 2.9k views
   • 
   • Kartazion
   • August 10, 2022

8. Black hole theory

   By Eno_Phmann, July 27, 2022
   • 3 replies
   • 664 views
   • 
   • Markus Hanke
   • July 28, 2022

9. Adding spacetime curvatures

   By geordief, July 25, 2022
   • 8 replies
   • 825 views
   • 
   • Markus Hanke
   • July 28, 2022

10. Work of fiction

    By Yamigaza, July 27, 2022
    • 0 replies
    • 510 views
    • 
    • Yamigaza
    • July 27, 2022

11. The spacetime curvature of a body such as the Solar System as experienced from the outside

    By geordief, July 22, 2022
    • 10 replies
    • 749 views
    • 
    • Markus Hanke
    • July 23, 2022

12. Gravity wells (split from A Question for Curved Spacetime)

    By geordief, June 24, 2022
    • 14 replies
    • 1.2k views
    • 
    • geordief
    • July 4, 2022

13. A Question for Curved Spacetime. 1 2 3 4 6

    By J.Merrill, June 19, 2022
    • 135 replies
    • 6.9k views
    • 
    • Ni Mimi.
    • July 1, 2022

14. Why is the time axis in a space-time diagram a distance 1 2

    By Caruthers, November 8, 2021
    • 27 replies
    • 2.7k views
    • 
    • johnsankey
    • June 27, 2022

15. Gyroscope in a curved space

    By Genady, May 21, 2022
    • 6 replies
    • 912 views
    • 
    • Markus Hanke
    • May 22, 2022

16. What would the effects of an artificial gravity well/hole/ledge be? (Thought experiment)

    By Zerilia, May 7, 2022
    • 5 replies
    • 867 views
    • 
    • MigL
    • May 8, 2022

17. What is exactly up and down (unfinished)

    By CMaranon9.8, March 27, 2021
    • 8 replies
    • 1.6k views
    • 
    • Dropship
    • March 10, 2022

18. Objective Frame of Reference

    By strontium, March 2, 2022
    • 12 replies
    • 1.4k views
    • 
    • md65536
    • March 4, 2022

19. Time

    By strontium, March 2, 2022
    • 3 replies
    • 666 views
    • 
    • Genady
    • March 2, 2022

20. Curvature in space-time is shown as a "fabric" 1 2 3

    By pmourad, September 12, 2021
    • 63 replies
    • 6.2k views
    • 
    • SuperSlim
    • February 16, 2022

21. Weekend smileteaser.

    By studiot, February 12, 2022
    • 2 replies
    • 632 views
    • 
    • joigus
    • February 12, 2022

22. Gravity as refraction

    By rjbeery, February 10, 2022
    • 1 reply
    • 673 views
    • 
    • Phi for All
    • February 10, 2022

23. Does a Static EM Field Acquire Mass Due to Stored Energy? 1 2 3

    By exchemist, January 13, 2022
    • 71 replies
    • 4.9k views
    • 
    • exchemist
    • February 7, 2022

24. THE WORLD’S FIRST WARP BUBBLE FINALLY CREATED?

    By beecee, December 7, 2021
    • 9 replies
    • 2.7k views
    • 
    • Markus Hanke
    • December 19, 2021

25. Does length contraction imply a superposition of particles? [answered: no] 1 2 3 4

    By 34student, December 9, 2021
    • 90 replies
    • 5.9k views
    • 
    • Phi for All
    • December 15, 2021