Relativity

1971 topics in this forum

1. Pre-requisite of general relativity

   By Lizwi, July 11, 2019
   • 2 replies
   • 1.1k views
   • 
   • mathematic
   • July 11, 2019

2. Acceleration (split from Relativistic Mass)

   By md65536, June 23, 2019
   • 4 replies
   • 983 views
   • 
   • md65536
   • June 24, 2019

3. Relativistic Mass:

   By beecee, June 22, 2019
   • 6 replies
   • 1.1k views
   • 
   • Strange
   • June 22, 2019

4. “Now” (split from Topic 4: Special Relativity)

   By FreeWill, June 17, 2019
   • 8 replies
   • 1.1k views
   • 
   • Strange
   • June 20, 2019

5. I wrote a book on The Time Space continuum

   By thethinkertank, June 16, 2019
   • 1 reply
   • 891 views
   • 
   • hypervalent_iodine
   • June 17, 2019

6. Special Relativity - SR - Lorentz transformations 1 2 3

   By Jan Slowak, June 3, 2019
   • 65 replies
   • 4.9k views
   • 
   • Ghideon
   • June 11, 2019

7. Is the film Insignificance wrong on relativity?

   By mea1top, June 7, 2019
   • 11 replies
   • 1.8k views
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   • mea1top
   • June 8, 2019

8. Bend space doesn’t exist

   By Felixvillegas, June 7, 2019
   • 6 replies
   • 1.1k views
   • 
   • Strange
   • June 7, 2019

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

   By geordief, June 4, 2019
   • 8 replies
   • 1.1k views
   • 
   • MigL
   • June 4, 2019

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

    By hipster doofus, June 1, 2019
    • 1 reply
    • 970 views
    • 
    • Strange
    • June 1, 2019

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

    By jajrussel, May 10, 2019
    • 9 replies
    • 1.5k views
    • 
    • J.C.MacSwell
    • May 16, 2019

12. Space interacts with Mass/energy? 1 2

    By jajrussel, May 2, 2019
    • 28 replies
    • 2.6k views
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    • swansont
    • May 14, 2019

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

    By yuanxue60616, April 17, 2019
    • 37 replies
    • 4.4k views
    • 
    • swansont
    • May 7, 2019

14. Length

    By jajrussel, April 5, 2019
    • 6 replies
    • 1.3k views
    • 
    • swansont
    • May 2, 2019

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

    By Maartenn100, April 30, 2019
    • 8 replies
    • 1.4k views
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    • swansont
    • April 30, 2019

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

    By Maartenn100, April 30, 2019
    • 3 replies
    • 1k views
    • 
    • swansont
    • April 30, 2019

17. explain the Fizeau experiment by the Aether method

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

18. Which 2 Equations Did Einstein Discard and Why?

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

19. near light-speed travel

    By chrisnhowell, April 13, 2019
    • 17 replies
    • 2.5k views
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    • studiot
    • April 17, 2019

20. Is Newton's equation for gravity wrong?

    By Samuel Daigle, April 9, 2019
    • 9 replies
    • 1.4k views
    • 
    • Samuel Daigle
    • April 10, 2019

21. light speed

    By mickbedford, April 9, 2019
    • 6 replies
    • 1.1k views
    • 
    • Janus
    • April 9, 2019

22. time travel? really?

    By mickbedford, April 5, 2019
    • 6 replies
    • 1.2k views
    • 
    • mickbedford
    • April 9, 2019

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

    By Razee01, March 12, 2019
    • 16 replies
    • 2.7k views
    • 
    • beecee
    • March 13, 2019

24. Time travel or Spacetime travel

    By Razee01, March 12, 2019
    • 4 replies
    • 1.1k views
    • 
    • swansont
    • March 12, 2019

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

    By Dagl1, March 2, 2019
    • 7 replies
    • 1.2k views
    • 
    • Mordred
    • March 4, 2019