Physics and Mathematics

217 topics in this forum

1. The Empty Set (or lack thereof) 1 2 3 4 5

   By Jake, August 13, 2008
   • 104 replies
   • 15.7k views
   • 
   • aleph_0
   • August 20, 2009

2. Voltage

   By Ifat Glassman, October 22, 2006
   • 3 replies
   • 2.3k views
   • 
   • Lagroht
   • July 17, 2009

3. Size of black holes limited

   By Clawg, September 17, 2008
   • 15 replies
   • 3.6k views
   • 
   • jrs
   • June 17, 2009

4. Time is relative / Relativity / etc. 1 2

   By Tensorman, February 10, 2008
   • 34 replies
   • 7.3k views
   • 
   • Peripeteia
   • June 13, 2009

5. Unbelievable

   By necrovore, November 23, 2007
   • 12 replies
   • 4.1k views
   • 
   • Q.E.D.
   • June 2, 2009

6. New (sort of) Hafnium Reactor (and bomb?)

   By th3ranger, April 10, 2009
   • 5 replies
   • 3.3k views
   • 
   • th3ranger
   • May 21, 2009

7. Mathematics/Probability of Rubik's Cube

   By Papes, July 12, 2008
   • 10 replies
   • 10k views
   • 
   • 01503
   • March 5, 2009

8. Groupings.

   By TuringAI, December 3, 2008
   • 10 replies
   • 2.3k views
   • 
   • Guest
   • February 28, 2009

9. Newton's "mistake"

   By ttn, February 26, 2009
   • 11 replies
   • 2.6k views
   • 
   • altonhare
   • February 27, 2009

10. Relativity and Quantum Theory

    By ttn, February 24, 2009
    • 14 replies
    • 5.7k views
    • 
    • altonhare
    • February 25, 2009

11. The formula E = mc^2 has never been proven?

    By Toan, February 7, 2009
    • 11 replies
    • 3.1k views
    • 
    • Zedic
    • February 14, 2009

12. The "light barrier", and the known universe

    By Greebo, December 12, 2008
    • 1 reply
    • 1.6k views
    • 
    • Steve D'Ippolito
    • December 12, 2008

13. Structures tugging at our universe?

    By TheEgoist, November 6, 2008
    • 12 replies
    • 2.4k views
    • 
    • TuringAI
    • November 25, 2008

14. 3 valued logic.

    By TuringAI, November 21, 2008
    • 6 replies
    • 3.7k views
    • 
    • TuringAI
    • November 22, 2008

15. The Nerds may finally have their revenge

    By TheEgoist, September 3, 2008
    • 11 replies
    • 2.7k views
    • 
    • Thomas M. Miovas Jr.
    • September 4, 2008

16. Sulfur !?

    By Seanjos, September 2, 2008
    • 0 replies
    • 1.4k views
    • 
    • Seanjos
    • September 2, 2008

17. Philosophy and Physics 1 2 3 4 5

    By Dan9999999, March 7, 2004
    • 109 replies
    • 17.1k views
    • 
    • War
    • August 2, 2008

18. New Casimir force discoveries

    By Grames, July 15, 2008
    • 1 reply
    • 1.5k views
    • 
    • EC
    • July 17, 2008

19. 4th spatial dimensions etc.

    By JJJJ, July 8, 2008
    • 6 replies
    • 2.4k views
    • 
    • JJJJ
    • July 9, 2008

20. A mathematical why of the Big Bang

    By Adib Ben Jebara, July 4, 2008
    • 1 reply
    • 1.5k views
    • 
    • ruveyn ben yosef
    • July 4, 2008

21. E8

    By Papes, May 3, 2008
    • 10 replies
    • 3.3k views
    • 
    • eriatarka
    • June 17, 2008

22. Plenum 1 2

    By y_feldblum, April 17, 2008
    • 34 replies
    • 11.3k views
    • 
    • ruveyn ben yosef
    • June 12, 2008

23. Rationality Vs. Rationality

    By Jon Pizzo, November 6, 2007
    • 22 replies
    • 4.9k views
    • 
    • Grames
    • May 3, 2008

24. Einstein Or Newton 1 2 3

    By tommyedison, September 7, 2004
    • 66 replies
    • 17k views
    • 
    • Papes
    • May 3, 2008

25. The Island of Stability

    By Cogito, February 1, 2007
    • 3 replies
    • 2.1k views
    • 
    • Papes
    • May 3, 2008