Physics

3555 topics in this forum

1. How close can you get to traveling the speed of light?

   By Payzant, May 19, 2010
   • 2 replies
   • 975 views
   • 
   • insane_alien
   • May 19, 2010

2. Infinite infinities 1 2 3 4

   By Fred56, October 3, 2007
   • 97 replies
   • 17.4k views
   • 
   • 1bobwhite
   • May 18, 2010

3. turbine/generator question

   By engineerjoe, May 17, 2010
   • 1 reply
   • 1.1k views
   • 
   • 1bobwhite
   • May 18, 2010

4. At what point does EM radiation become photons?

   By 1bobwhite, May 16, 2010
   • 6 replies
   • 1.2k views
   • 
   • J.C.MacSwell
   • May 17, 2010

5. Fermat's principle of least time

   By Physicsfan, May 15, 2010
   • 4 replies
   • 2k views
   • 
   • swansont
   • May 16, 2010

6. X-rays - Gama Rays - Gravity?

   By Caleb, May 15, 2010
   • 5 replies
   • 1.2k views
   • 
   • michel123456
   • May 16, 2010

7. noob question!

   By Gneiss, May 12, 2010
   • 5 replies
   • 1.1k views
   • 
   • swansont
   • May 16, 2010

8. Binocular vision

   By scilearner, May 13, 2010
   • 8 replies
   • 2.5k views
   • 
   • michel123456
   • May 15, 2010

9. what happens in a freely falling elevator?

   By Physicsfan, May 14, 2010
   • 18 replies
   • 3k views
   • 
   • Sisyphus
   • May 14, 2010

10. How do i solve this numerically?

    By Physicsfan, May 11, 2010
    • 6 replies
    • 949 views
    • 
    • Physicsfan
    • May 14, 2010

11. Qft

    By 1123581321, May 9, 2010
    • 3 replies
    • 923 views
    • 
    • Severian
    • May 13, 2010

12. 4D Angles?

    By Mukilab, May 12, 2010
    • 8 replies
    • 7.7k views
    • 
    • Mr Skeptic
    • May 13, 2010

13. Hi everyone im new

    By Physicsfan, April 23, 2010
    • 9 replies
    • 1.5k views
    • 
    • Physicsfan
    • May 13, 2010

14. Blu-ray laser pointer aka 405nm

    By HeroesXVillains, May 13, 2010
    • 0 replies
    • 662 views
    • 
    • HeroesXVillains
    • May 13, 2010

15. Why is voltage like pressure?

    By scilearner, May 4, 2010
    • 19 replies
    • 2.4k views
    • 
    • ewmon
    • May 7, 2010

16. Why does hydrostatic pressure drop and some momentum question?

    By scilearner, May 5, 2010
    • 2 replies
    • 1.8k views
    • 
    • scilearner
    • May 5, 2010

17. about earth gravity,

    By khaled, May 4, 2010
    • 6 replies
    • 1.2k views
    • 
    • swansont
    • May 5, 2010

18. kinetic energy

    By 1123581321, April 29, 2010
    • 10 replies
    • 1.3k views
    • 
    • PaulS1950
    • May 1, 2010

19. The force between 2 electrical charges

    By moonflower, April 29, 2010
    • 4 replies
    • 1.1k views
    • 
    • swansont
    • April 30, 2010

20. velocity

    By 1123581321, April 29, 2010
    • 3 replies
    • 1k views
    • 
    • the tree
    • April 29, 2010

21. I know this is crazy, but what if ...

    By khaled, April 22, 2010
    • 6 replies
    • 1.3k views
    • 
    • hobz
    • April 28, 2010

22. Retionship between Gravity and Magnetic Pull.

    By Tnad, April 25, 2010
    • 7 replies
    • 2.8k views
    • 
    • Tnad
    • April 27, 2010

23. Why do ions flow from high concentration to low concentration?

    By scilearner, April 25, 2010
    • 1 reply
    • 1.8k views
    • 
    • Bignose
    • April 27, 2010

24. Why does looking at things from a small hole make it more clear?

    By scilearner, April 26, 2010
    • 3 replies
    • 930 views
    • 
    • Cap'n Refsmmat
    • April 26, 2010

25. Is physics progressing?

    By Eros, April 22, 2010
    • 16 replies
    • 2.3k views
    • 
    • Tnad
    • April 25, 2010