Relativity

1985 topics in this forum

1. why is time called 4th dimension?

   By swaha, July 21, 2009
   • 15 replies
   • 4.4k views
   • 
   • Eric 5
   • September 23, 2009

2. Note : Lorentz Transform

   By kleinwolf, September 19, 2009
   • 0 replies
   • 942 views
   • 
   • kleinwolf
   • September 19, 2009

3. Relativity & Thermodynamics

   By munion, September 15, 2009
   • 19 replies
   • 2.7k views
   • 
   • munion
   • September 17, 2009

4. 2D Lorentz-transform question

   By kleinwolf, September 14, 2009
   • 3 replies
   • 2.8k views
   • 
   • kleinwolf
   • September 17, 2009

5. Light speed experiments

   By sananda, August 31, 2009
   • 10 replies
   • 2.4k views
   • 
   • J.C.MacSwell
   • September 1, 2009

6. Affecting Light Velocity

   By Physman, August 6, 2009
   • 11 replies
   • 2k views
   • 
   • kleinwolf
   • August 26, 2009

7. relativistic sphere

   By bob000555, August 21, 2009
   • 5 replies
   • 1.7k views
   • 
   • Physman
   • August 24, 2009

8. ask

   By alejandrito20, August 3, 2009
   • 6 replies
   • 1.3k views
   • 
   • ajb
   • August 23, 2009

9. Black hole, schwarzschild radius, etc

   By Baby Astronaut, July 11, 2009
   • 6 replies
   • 1.3k views
   • 
   • Baby Astronaut
   • August 22, 2009

10. Radionuclide decom / energy recovery & chemical waste treatment

    By Clay9, August 22, 2009
    • 0 replies
    • 930 views
    • 
    • Clay9
    • August 22, 2009

11. Gravitational Speed

    By Physman, August 17, 2009
    • 21 replies
    • 2.9k views
    • 
    • Physman
    • August 22, 2009

12. Speed of Light and Time Passed?

    By cdeldridge, August 5, 2009
    • 3 replies
    • 1.4k views
    • 
    • awuser896
    • August 11, 2009

13. An Expanding Universe 1 2

    By Physman, July 25, 2009
    • 29 replies
    • 4k views
    • 
    • Physman
    • August 8, 2009

14. how was speed of light measured? 1 2

    By swaha, July 18, 2009
    • 25 replies
    • 3.3k views
    • 
    • J.C.MacSwell
    • July 30, 2009

15. Why is the universe expanding?

    By Improvision, July 25, 2009
    • 1 reply
    • 1.1k views
    • 
    • Klaynos
    • July 25, 2009

16. Lorentz from Velocities formula

    By kleinwolf, May 29, 2009
    • 3 replies
    • 1.7k views
    • 
    • Physman
    • July 25, 2009

17. A Universe without Time 1 2 3

    By asprung, April 30, 2009
    • 66 replies
    • 10.6k views
    • 
    • Eric 5
    • July 24, 2009

18. how can this happen?

    By swaha, July 20, 2009
    • 3 replies
    • 1.4k views
    • 
    • swansont
    • July 22, 2009

19. Gravitational Time Dilation

    By Widdekind, July 22, 2009
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • July 22, 2009

20. what do you observe?

    By swaha, July 20, 2009
    • 9 replies
    • 1.6k views
    • 
    • swansont
    • July 22, 2009

21. Reissner-Nordstrom-? metric 1 2 3

    By Norman Albers, February 20, 2007
    • 71 replies
    • 19.5k views
    • 
    • solidspin
    • July 21, 2009

22. Singularity and the Big Crunch

    By Tolmosoff, July 15, 2009
    • 3 replies
    • 1.2k views
    • 
    • gokul.er137
    • July 20, 2009

23. measurement of length in relativity

    By swaha, July 18, 2009
    • 4 replies
    • 1.3k views
    • 
    • swansont
    • July 19, 2009

24. Is space-time something ?

    By Jacques, March 16, 2007
    • 17 replies
    • 3.5k views
    • 
    • ydoaPs
    • July 17, 2009

25. speed of light hypothetical 1 2

    By axeman, June 17, 2009
    • 33 replies
    • 5.6k views
    • 
    • gokul.er137
    • July 16, 2009