Physics

3550 topics in this forum

1. electron dimensions and mass

   By gre, January 2, 2009
   • 7 replies
   • 1.5k views
   • 
   • Klaynos
   • January 3, 2009

2. About evaporating black holes

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

3. wing\weight

   By FANG, December 31, 2008
   • 9 replies
   • 1.3k views
   • 
   • Mokele
   • December 31, 2008

4. "collective" atomic forces

   By gre, December 30, 2008
   • 3 replies
   • 1.2k views
   • 
   • swansont
   • December 31, 2008

5. Plastic from fish oil?

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

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

   By the guy, December 16, 2008
   • 16 replies
   • 4.7k views
   • 
   • Griffon
   • December 29, 2008

7. 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

8. Atoms' shadows in the cave

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

9. Time dilation versus Speed=Distance over Time

   By Harlequinne, December 16, 2008
   • 10 replies
   • 3.9k views
   • 
   • Copernicus_Meme
   • December 28, 2008

10. Are physics laws eternal or do they evolve?

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

11. spacetime 1 2

    By alextwo, December 21, 2008
    • 33 replies
    • 3.4k views
    • 
    • npts2020
    • December 26, 2008

12. Negative momentum

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

13. 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

14. Energy Levels and Electron Orbitals

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

15. reflection distance?

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

16. Falling into water from great height?

    By Mokele, December 20, 2008
    • 7 replies
    • 7.7k views
    • 
    • npts2020
    • December 21, 2008

17. value?

    By Gareth56, December 10, 2008
    • 11 replies
    • 5.4k views
    • 
    • Phi for All
    • December 21, 2008

18. Energy

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

19. Question about the "information" carried by photons

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

20. unit north pole??

    By Prashan_punk, December 18, 2008
    • 4 replies
    • 3.4k views
    • 
    • Prashan_punk
    • December 18, 2008

21. Graphite as a Faraday Cage

    By LHC990, December 15, 2008
    • 3 replies
    • 2.3k views
    • 
    • insane_alien
    • December 16, 2008

22. hydrogen spectrum question

    By Prashan_punk, December 11, 2008
    • 7 replies
    • 2k views
    • 
    • John Cuthber
    • December 15, 2008

23. guitar strings and speed

    By gazza, December 9, 2008
    • 10 replies
    • 3.6k views
    • 
    • gazza
    • December 15, 2008

24. Energy sources that match in energy levels?

    By Baby Astronaut, December 11, 2008
    • 3 replies
    • 1.8k views
    • 
    • Baby Astronaut
    • December 15, 2008

25. Electronic switch

    By gonelli, December 14, 2008
    • 7 replies
    • 1.9k views
    • 
    • YT2095
    • December 14, 2008