Physics and Mathematics

2,523 topics in this forum

1. Perpetual Motion Hydroelectric Generators?

   By Nitack, June 4, 2009
   • 8 replies
   • 10.6k views
   • 
   • tekayo
   • December 2, 2009

2. Odds of winning lotto 1 2

   By Moontanman, November 25, 2008
   • 19 replies
   • 8k views
   • 
   • BrianG
   • December 1, 2009

3. Mean nearest neighbor distance in 3d

   By trekkiee, November 24, 2009
   • 7 replies
   • 5.1k views
   • 
   • CraigD
   • November 29, 2009

4. Physics for my lightsaber...

   By JoeRoccoCassara, November 26, 2009
   • 4 replies
   • 1.9k views
   • 
   • UncleAl
   • November 27, 2009

5. Moldulo and Integer Division 1 2

   By Theory5, November 15, 2009
   • 22 replies
   • 8.9k views
   • 
   • CraigD
   • November 26, 2009

6. Expectation and convergence

   By sanctus, November 24, 2009
   • 1 reply
   • 919 views
   • 
   • sanctus
   • November 26, 2009

7. What is Entropy? 1 2

   By coldcreation, November 18, 2009
   • 21 replies
   • 5.4k views
   • 
   • Pyrotex
   • November 23, 2009

8. Violation of the Law of Conservation of Energy

   By googlesironman, November 19, 2009
   • 10 replies
   • 4k views
   • 
   • googlesironman
   • November 20, 2009

9. The Equivalence Principle... 1 2

   By Boerseun, November 4, 2009
   • 32 replies
   • 4.4k views
   • 
   • modest
   • November 18, 2009

10. The Pioneer anomaly 1 2

    By Viv Pope, May 21, 2008
    • 23 replies
    • 5.5k views
    • 
    • Viv Pope
    • November 18, 2009

11. To infinity and beyond 1 2 3 4

    By Ben, October 17, 2009
    • 63 replies
    • 6.9k views
    • 
    • Qfwfq
    • November 5, 2009

12. Gravitational hope

    By Luke, November 2, 2009
    • 9 replies
    • 1.3k views
    • 
    • CraigD
    • November 4, 2009

13. Cantor's Diagonal Slash Disproved

    By 137, October 31, 2009
    • 2 replies
    • 7.7k views
    • 
    • CraigD
    • November 1, 2009

14. BB Again

    By Little Bang, October 26, 2009
    • 7 replies
    • 1.3k views
    • 
    • modest
    • October 30, 2009

15. Boring you again; geometry.....

    By Ben, October 29, 2009
    • 0 replies
    • 1.1k views
    • 
    • Ben
    • October 29, 2009

16. Photon Matter 1 2

    By Little Bang, October 11, 2009
    • 26 replies
    • 3.9k views
    • 
    • Qfwfq
    • October 21, 2009

17. Sommerfeld Enhancement

    By Jay-qu, October 20, 2009
    • 3 replies
    • 2.2k views
    • 
    • Jay-qu
    • October 20, 2009

18. Einsteins time dialation

    By Luke, October 18, 2009
    • 4 replies
    • 998 views
    • 
    • Qfwfq
    • October 20, 2009

19. The very old and beaten light speed question. 1 2

    By RCP/CRT/RRT, October 16, 2009
    • 18 replies
    • 2k views
    • 
    • Qfwfq
    • October 20, 2009

20. Up to, equivalence and mod. (Read at your peril)

    By Ben, October 13, 2009
    • 12 replies
    • 2.3k views
    • 
    • Qfwfq
    • October 20, 2009

21. Conjoined Brane Dynamics - a new model of the universe

    By conjoinedbranedynamics, October 18, 2009
    • 5 replies
    • 1.3k views
    • 
    • Buffy
    • October 20, 2009

22. Help! Need a physicist to look over some math related to gravitational theory?

    By gprprod, September 23, 2009
    • 5 replies
    • 1.4k views
    • 
    • gprprod
    • October 18, 2009

23. Relativity Anomaly 1 2

    By HydrogenBond, October 5, 2009
    • 23 replies
    • 3.5k views
    • 
    • Qfwfq
    • October 15, 2009

24. Photon Question 1 2 3 4

    By Little Bang, August 21, 2009
    • 64 replies
    • 9.5k views
    • 
    • Little Bang
    • October 14, 2009

25. Nested Radical Equation

    By Kharakov, October 8, 2009
    • 0 replies
    • 1.3k views
    • 
    • Kharakov
    • October 8, 2009