Relativity

1983 topics in this forum

1. Why do geodesics of space-time cause elliptical orbits in our dimension?

   By bluescience, April 1, 2016
   • 15 replies
   • 2.1k views
   • 
   • bluescience
   • April 5, 2016

2. What difference does it make if the Schwarzschild radii touch? 1 2 3 4 6

   By Robittybob1, March 30, 2016
   • 143 replies
   • 12.8k views
   • 
   • Strange
   • April 4, 2016

3. The Principle of Equivalency

   By bluescience, March 29, 2016
   • 4 replies
   • 1.3k views
   • 
   • studiot
   • March 31, 2016

4. Gravitational waves from a supernova (split from shape of GWs)

   By EdEarl, March 26, 2016
   • 17 replies
   • 2.3k views
   • 
   • Mordred
   • March 27, 2016

5. Questions about Shapiro delay (split from speculations thread)

   By swansont, March 18, 2016
   • 18 replies
   • 2.1k views
   • 
   • Robittybob1
   • March 26, 2016

6. Gravitational lens and gravitational waves question 1 2 3 4

   By Papul, February 12, 2016
   • 79 replies
   • 9.3k views
   • 
   • swansont
   • March 17, 2016

7. Warped spacetime around BH and the barycenter 1 2 3 4

   By Robittybob1, March 8, 2016
   • 91 replies
   • 8.1k views
   • 
   • Robittybob1
   • March 16, 2016

8. Force without acceleration in S.R. , acceleration without force in S.R. & applied force is less than acting force in S.R.

   By mahesh khati, February 20, 2016
   • 22 replies
   • 3.2k views
   • 
   • Phi for All
   • March 15, 2016

9. Haw works first GPS ? ...? 1 2 3

   By redkiss, March 12, 2016
   • 60 replies
   • 5.9k views
   • 
   • swansont
   • March 14, 2016

10. Distances in space time, "now" vs past and future.

    By Sorcerer, March 10, 2016
    • 13 replies
    • 1.6k views
    • 
    • Mordred
    • March 11, 2016

11. Einstien was wrong? 1 2

    By SimonFunnell, March 8, 2016
    • 30 replies
    • 3.5k views
    • 
    • SimonFunnell
    • March 9, 2016

12. Spacetime diagrams

    By geordief, March 4, 2016
    • 10 replies
    • 1.6k views
    • 
    • ajb
    • March 7, 2016

13. Could Equivilance kill DE?

    By TakenItSeriously, March 1, 2016
    • 12 replies
    • 1.5k views
    • 
    • MigL
    • March 3, 2016

14. Classical explanation for Fizeau & Sagnac 1 2 3

    By DanMP, February 4, 2016
    • 52 replies
    • 6.9k views
    • 
    • DanMP
    • March 3, 2016

15. How to define speed of nonsimultaneity stream?

    By DimaMazin, January 30, 2016
    • 16 replies
    • 1.6k views
    • 
    • Strange
    • March 1, 2016

16. Time Dialation

    By SimonFunnell, February 14, 2016
    • 18 replies
    • 1.8k views
    • 
    • DanMP
    • February 29, 2016

17. Geodesics, free fall and the equivalence principle - for dummies.

    By Robittybob1, February 23, 2016
    • 10 replies
    • 2.7k views
    • 
    • Robittybob1
    • February 24, 2016

18. Is it possible to puncture the fabric of Spacetime? [Analogy taken too far] 1 2

    By Robittybob1, February 23, 2016
    • 25 replies
    • 3.9k views
    • 
    • Robittybob1
    • February 23, 2016

19. Hawking radiation and charged black holes.

    By Sorcerer, February 22, 2016
    • 1 reply
    • 1.3k views
    • 
    • Strange
    • February 22, 2016

20. What happens when light passes between two black holes?

    By Lazarus, February 20, 2016
    • 7 replies
    • 1.1k views
    • 
    • swansont
    • February 20, 2016

21. LIGO and its recent measurement of gravitational waves

    By Eise, February 19, 2016
    • 5 replies
    • 1.2k views
    • 
    • Eise
    • February 19, 2016

22. Special relativity - Nokton theory

    By ensea2004, February 18, 2016
    • 1 reply
    • 1k views
    • 
    • Mordred
    • February 18, 2016

23. Conservation of energy in GR (split from universal laws)

    By Robittybob1, February 18, 2016
    • 4 replies
    • 1.6k views
    • 
    • ajb
    • February 18, 2016

24. Can the effects of gravity be derived from SR? (split)

    By geordief, February 17, 2016
    • 7 replies
    • 1.3k views
    • 
    • geordief
    • February 18, 2016

25. Gravity and the bending of spacetime 1 2

    By SimonFunnell, February 14, 2016
    • 35 replies
    • 3.3k views
    • 
    • Robittybob1
    • February 18, 2016