Relativity

1988 topics in this forum

1. Can we model the interior of a black hole?

   By geordief, June 4, 2019
   • 8 replies
   • 1.2k views
   • 
   • MigL
   • June 4, 2019

2. What makes you think entanglement and superposition inhabit Spacetime?

   By hipster doofus, June 1, 2019
   • 1 reply
   • 1.1k views
   • 
   • Strange
   • June 1, 2019

3. The feather, the hammer, and the moon?

   By jajrussel, May 10, 2019
   • 9 replies
   • 1.9k views
   • 
   • J.C.MacSwell
   • May 16, 2019

4. Space interacts with Mass/energy? 1 2

   By jajrussel, May 2, 2019
   • 28 replies
   • 3.2k views
   • 
   • swansont
   • May 14, 2019

5. In special relativity, what if relativity of simultaneity is discontinues? 1 2

   By yuanxue60616, April 17, 2019
   • 37 replies
   • 5.2k views
   • 
   • swansont
   • May 7, 2019

6. Length

   By jajrussel, April 5, 2019
   • 6 replies
   • 1.5k views
   • 
   • swansont
   • May 2, 2019

7. is there absolute speed of an object, relative to the expansion of the universe?

   By Maartenn100, April 30, 2019
   • 8 replies
   • 1.8k views
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   • swansont
   • April 30, 2019

8. is time relative (Einstein) or can we say that the universe in itself has a certain age?

   By Maartenn100, April 30, 2019
   • 3 replies
   • 1.2k views
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   • swansont
   • April 30, 2019

9. explain the Fizeau experiment by the Aether method

   By thomaspham01, April 30, 2019
   • 1 reply
   • 1.2k views
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   • hypervalent_iodine
   • April 30, 2019

10. Which 2 Equations Did Einstein Discard and Why?

    By captcass, April 26, 2019
    • 2 replies
    • 970 views
    • 
    • captcass
    • April 29, 2019

11. near light-speed travel

    By chrisnhowell, April 13, 2019
    • 17 replies
    • 3k views
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    • studiot
    • April 17, 2019

12. Is Newton's equation for gravity wrong?

    By Samuel Daigle, April 9, 2019
    • 9 replies
    • 1.6k views
    • 
    • Samuel Daigle
    • April 10, 2019

13. light speed

    By mickbedford, April 9, 2019
    • 6 replies
    • 1.3k views
    • 
    • Janus
    • April 9, 2019

14. time travel? really?

    By mickbedford, April 5, 2019
    • 6 replies
    • 1.3k views
    • 
    • mickbedford
    • April 9, 2019

15. Is there any relationship between time travel and parallel universe?

    By Razee01, March 12, 2019
    • 16 replies
    • 3.1k views
    • 
    • beecee
    • March 13, 2019

16. Time travel or Spacetime travel

    By Razee01, March 12, 2019
    • 4 replies
    • 1.2k views
    • 
    • swansont
    • March 12, 2019

17. Curvature of spacetime by gravity and the flat universe?

    By Dagl1, March 2, 2019
    • 7 replies
    • 1.4k views
    • 
    • Mordred
    • March 4, 2019

18. Will we ever have an viable alternative Theory to rival GR?

    By beecee, June 23, 2018
    • 9 replies
    • 2.2k views
    • 
    • beecee
    • February 22, 2019

19. Light clock - basic explanation needed

    By Sinnie, February 10, 2019
    • 11 replies
    • 2.5k views
    • 
    • Janus
    • February 14, 2019

20. Invariance of c 1 2 3 4 5

    By AbstractDreamer, June 1, 2018
    • 105 replies
    • 11k views
    • 
    • MigL
    • January 28, 2019

21. Speed of light as a constant

    By Nod2003, January 27, 2019
    • 13 replies
    • 1.9k views
    • 
    • Mordred
    • January 27, 2019

22. What is "Geometry"?

    By geordief, January 16, 2019
    • 5 replies
    • 1.1k views
    • 
    • MigL
    • January 18, 2019

23. If it walks like a duck? 1 2

    By jajrussel, December 29, 2018
    • 30 replies
    • 4.4k views
    • 
    • Mordred
    • January 8, 2019

24. Theory of Relativity

    By Xavier Zapotny, December 28, 2018
    • 6 replies
    • 1.7k views
    • 
    • beecee
    • December 28, 2018

25. Bekenstein Bound for the BH entropy?

    By RedShiftam, December 20, 2018
    • 5 replies
    • 1.3k views
    • 
    • MigL
    • December 28, 2018