Relativity

1991 topics in this forum

1. The ways time is altered.

   By geordief, November 29, 2016
   • 8 replies
   • 1.8k views
   • 
   • swansont
   • November 30, 2016

2. Just a thought about Dark Energy

   By 36grit, November 30, 2016
   • 1 reply
   • 1.1k views
   • 
   • swansont
   • November 30, 2016

3. Time Dilation 1 2

   By geordief, November 6, 2016
   • 27 replies
   • 5k views
   • 
   • Janus
   • November 18, 2016

4. Universal speed of light when not in a vacuum ?

   By geordief, November 18, 2016
   • 10 replies
   • 1.7k views
   • 
   • Mordred
   • November 18, 2016

5. Negative Spacetime Curvature

   By geordief, November 18, 2016
   • 5 replies
   • 1.8k views
   • 
   • Mordred
   • November 18, 2016

6. Light "bubbles" on the surface of the Sun

   By geordief, November 15, 2016
   • 4 replies
   • 1.3k views
   • 
   • geordief
   • November 15, 2016

7. A light cone question for Mordred

   By studiot, November 13, 2016
   • 7 replies
   • 2k views
   • 
   • studiot
   • November 14, 2016

8. Physic medium explains anti-gravity, time and other dimensions

   By Blueyedlion, November 5, 2016
   • 3 replies
   • 1.3k views
   • 
   • imatfaal
   • November 5, 2016

9. Spacetime "grids" and Spacetime manifolds

   By geordief, November 2, 2016
   • 4 replies
   • 1.2k views
   • 
   • geordief
   • November 2, 2016

10. Two trains. Two equivalents. Two outcomes. Can anyone explain?

    By JesuisSean, November 2, 2016
    • 3 replies
    • 1.3k views
    • 
    • Janus
    • November 2, 2016

11. Redshift, blue shift, and time dilation

    By Thales et al, October 31, 2016
    • 11 replies
    • 3.7k views
    • 
    • Tim88
    • November 1, 2016

12. The Gravity Field and Gravitational Waves

    By geordief, October 31, 2016
    • 7 replies
    • 1.4k views
    • 
    • imatfaal
    • October 31, 2016

13. Relativity questions

    By jajrussel, October 30, 2016
    • 5 replies
    • 1.4k views
    • 
    • mathematic
    • October 31, 2016

14. Relativistic length contraction

    By Sriman Dutta, October 28, 2016
    • 9 replies
    • 1.7k views
    • 
    • Tim88
    • October 30, 2016

15. Curved Geometries in Space

    By geordief, October 30, 2016
    • 3 replies
    • 1.1k views
    • 
    • Strange
    • October 30, 2016

16. An expanding wave of light.

    By geordief, October 29, 2016
    • 2 replies
    • 1.2k views
    • 
    • Janus
    • October 29, 2016

17. Energy of a photon 1 2

    By Sriman Dutta, October 22, 2016
    • 42 replies
    • 5.5k views
    • 
    • Sriman Dutta
    • October 28, 2016

18. A question about Photons and Space-time

    By SilverIcetail, October 26, 2016
    • 9 replies
    • 2.2k views
    • 
    • Mordred
    • October 26, 2016

19. Spacetime Curvature at an Extreme Remove from all sources of Mass-Energy

    By geordief, October 24, 2016
    • 1 reply
    • 1k views
    • 
    • imatfaal
    • October 24, 2016

20. Energy of a Photon and Planck's Constant?

    By Khuzy, October 20, 2016
    • 11 replies
    • 3.1k views
    • 
    • imatfaal
    • October 23, 2016

21. Events and the Space-Time Manifold

    By geordief, October 17, 2016
    • 9 replies
    • 1.6k views
    • 
    • MigL
    • October 20, 2016

22. Mass-energy

    By geordief, October 15, 2016
    • 14 replies
    • 1.8k views
    • 
    • MigL
    • October 20, 2016

23. Help me understand Einstein's atomic clock experiments. 1 2

    By EvanF, October 16, 2016
    • 32 replies
    • 3.8k views
    • 
    • swansont
    • October 19, 2016

24. The most energy efficient path in space-time from London to Glasgow

    By geordief, October 14, 2016
    • 11 replies
    • 1.9k views
    • 
    • Janus
    • October 17, 2016

25. Space-Time Manifolds

    By geordief, October 16, 2016
    • 0 replies
    • 876 views
    • 
    • geordief
    • October 16, 2016