Physics

3555 topics in this forum

1. question about electrical resistance/conductivity

   By gre, January 3, 2009
   • 5 replies
   • 1.5k views
   • 
   • einsteinium
   • January 5, 2009

2. charge magnitude

   By gre, January 4, 2009
   • 10 replies
   • 1.6k views
   • 
   • gre
   • January 4, 2009

3. Slow Yo-Yo!

   By genralz, January 2, 2009
   • 16 replies
   • 6.1k views
   • 
   • swansont
   • January 4, 2009

4. the planet mercury

   By north, December 28, 2008
   • 21 replies
   • 5.2k views
   • 
   • D H
   • January 4, 2009

5. Could It Be Possible For V>3e8 m/s

   By einsteinium, January 3, 2009
   • 4 replies
   • 3.3k views
   • 
   • Janus
   • January 3, 2009

6. electron dimensions and mass

   By gre, January 2, 2009
   • 7 replies
   • 1.6k views
   • 
   • Klaynos
   • January 3, 2009

7. About evaporating black holes

   By Baby Astronaut, December 28, 2008
   • 14 replies
   • 1.9k views
   • 
   • einsteinium
   • January 3, 2009

8. wing\weight

   By FANG, December 31, 2008
   • 9 replies
   • 1.4k views
   • 
   • Mokele
   • December 31, 2008

9. "collective" atomic forces

   By gre, December 30, 2008
   • 3 replies
   • 1.3k views
   • 
   • swansont
   • December 31, 2008

10. Plastic from fish oil?

    By alan2here, December 29, 2008
    • 8 replies
    • 1.9k views
    • 
    • Mokele
    • December 30, 2008

11. Sodium Chloride Laser Possible? [Answered: Yes]

    By the guy, December 16, 2008
    • 16 replies
    • 4.8k views
    • 
    • Griffon
    • December 29, 2008

12. Science is about how, Philosophy is about why (new topic by Baby Astronaut)

    By Baby Astronaut, December 26, 2008
    • 10 replies
    • 1.6k views
    • 
    • Martin
    • December 28, 2008

13. Atoms' shadows in the cave

    By Baby Astronaut, December 27, 2008
    • 5 replies
    • 1.5k views
    • 
    • Sisyphus
    • December 28, 2008

14. Time dilation versus Speed=Distance over Time

    By Harlequinne, December 16, 2008
    • 10 replies
    • 4k views
    • 
    • Copernicus_Meme
    • December 28, 2008

15. Are physics laws eternal or do they evolve?

    By Martin, December 27, 2008
    • 7 replies
    • 1.7k views
    • 
    • gcol
    • December 27, 2008

16. spacetime 1 2

    By alextwo, December 21, 2008
    • 33 replies
    • 3.5k views
    • 
    • npts2020
    • December 26, 2008

17. Negative momentum

    By Mr Skeptic, December 25, 2008
    • 1 reply
    • 987 views
    • 
    • ydoaPs
    • December 25, 2008

18. How to solve NP-problem using hydrodynamics of electrons

    By Duda Jarek, December 22, 2008
    • 2 replies
    • 1.3k views
    • 
    • Duda Jarek
    • December 23, 2008

19. Energy Levels and Electron Orbitals

    By gre, December 21, 2008
    • 7 replies
    • 1.5k views
    • 
    • swansont
    • December 21, 2008

20. reflection distance?

    By YT2095, December 20, 2008
    • 9 replies
    • 1.6k views
    • 
    • John Cuthber
    • December 21, 2008

21. Falling into water from great height?

    By Mokele, December 20, 2008
    • 7 replies
    • 8.1k views
    • 
    • npts2020
    • December 21, 2008

22. value?

    By Gareth56, December 10, 2008
    • 11 replies
    • 5.6k views
    • 
    • Phi for All
    • December 21, 2008

23. Energy

    By Novice1954, November 23, 2008
    • 8 replies
    • 1.7k views
    • 
    • iNow
    • December 20, 2008

24. Question about the "information" carried by photons

    By gib65, November 30, 2008
    • 3 replies
    • 1.1k views
    • 
    • Tom Vose
    • December 19, 2008

25. unit north pole??

    By Prashan_punk, December 18, 2008
    • 4 replies
    • 3.5k views
    • 
    • Prashan_punk
    • December 18, 2008