Relativity

1991 topics in this forum

1. Twin paradox math problem 1 2

   By md65536, September 1, 2019
   • 27 replies
   • 51.5k views
   • 
   • Mordred
   • November 12, 2019

2. The invariance of c 1 2 3

   By geordief, October 1, 2019
   • 66 replies
   • 21.6k views
   • 
   • Schmelzer
   • November 11, 2019

3. Superluminal Coulomb Field

   By Bluemoon, October 11, 2019
   • 9 replies
   • 1.7k views
   • 
   • Bluemoon
   • October 22, 2019

4. Direction of time 1 2 3 4

   By Razee01, March 12, 2019
   • 80 replies
   • 10.8k views
   • 
   • Mordred
   • October 10, 2019

5. Why Does Time Slow Down or Speed up? 1 2

   By Farid, August 26, 2019
   • 40 replies
   • 57.6k views
   • 
   • swansont
   • October 1, 2019

6. Matter creates gravity

   By Lan Todak, August 8, 2019
   • 16 replies
   • 3k views
   • 
   • Mordred
   • September 27, 2019

7. How does one represent the fourth dimension on a graph?

   By thethinkertank, September 9, 2019
   • 11 replies
   • 2.5k views
   • 
   • Strange
   • September 10, 2019

8. Non inertial frames

   By moth, September 5, 2019
   • 13 replies
   • 2.3k views
   • 
   • md65536
   • September 6, 2019

9. Math v physics (split from Direction of time) 1 2

   By michel123456, September 3, 2019
   • 29 replies
   • 6.2k views
   • 
   • studiot
   • September 6, 2019

10. Why is Newtonian Gravity so accurate?

    By geordief, April 24, 2016
    • 24 replies
    • 3.5k views
    • 
    • studiot
    • September 2, 2019

11. The relationship between space and time 1 2

    By geordief, July 27, 2019
    • 28 replies
    • 8.9k views
    • 
    • michel123456
    • August 29, 2019

12. Einstein's first Law

    By geordief, August 23, 2019
    • 13 replies
    • 1.7k views
    • 
    • geordief
    • August 26, 2019

13. Can relativity be applied to light speed?

    By Phys1, August 11, 2019
    • 17 replies
    • 2.7k views
    • 
    • swansont
    • August 15, 2019

14. Does warped spacetime unbend when a mass is removed?

    By PrimalMinister, July 26, 2019
    • 12 replies
    • 2k views
    • 
    • beecee
    • August 3, 2019

15. Calculation of TIME DILATATION with Calculator problem

    By DRKFUTURE, July 20, 2019
    • 18 replies
    • 2.3k views
    • 
    • Bufofrog
    • July 21, 2019

16. Does the expansion of universe effect light? 1 2

    By John Conner, June 28, 2019
    • 32 replies
    • 35.1k views
    • 
    • Mordred
    • July 19, 2019

17. Topic 5: Special Relativity - derivation of Lorentz transformations

    By Jan Slowak, July 15, 2019
    • 1 reply
    • 1.2k views
    • 
    • Strange
    • July 15, 2019

18. Topic 4: Special Relativity - Lorentz transformations 1 2 3

    By Jan Slowak, June 15, 2019
    • 61 replies
    • 7.3k views
    • 
    • Phi for All
    • July 15, 2019

19. Energy and spacetime curvature.

    By geordief, July 13, 2019
    • 2 replies
    • 1.1k views
    • 
    • geordief
    • July 13, 2019

20. Equations of a simultaneous 3D accelerating motion

    By John Conner, June 29, 2019
    • 3 replies
    • 1.2k views
    • 
    • Mordred
    • July 12, 2019

21. Pre-requisite of general relativity

    By Lizwi, July 11, 2019
    • 2 replies
    • 1.2k views
    • 
    • mathematic
    • July 11, 2019

22. Acceleration (split from Relativistic Mass)

    By md65536, June 23, 2019
    • 4 replies
    • 1.1k views
    • 
    • md65536
    • June 24, 2019

23. Relativistic Mass:

    By beecee, June 22, 2019
    • 6 replies
    • 1.4k views
    • 
    • Strange
    • June 22, 2019

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

    By FreeWill, June 17, 2019
    • 8 replies
    • 1.4k views
    • 
    • Strange
    • June 20, 2019

25. I wrote a book on The Time Space continuum

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