Physics and Mathematics

2,523 topics in this forum

1. Dual vectors, 1-forms & other fun stuff 1 2

   By Ben, September 28, 2009
   • 20 replies
   • 3.1k views
   • 
   • Qfwfq
   • October 8, 2009

2. Speed Burst Question

   By JulianKeller, September 11, 2009
   • 14 replies
   • 2.1k views
   • 
   • Qfwfq
   • September 26, 2009

3. Here's where I make a fool of myself in Physics 1 2

   By Ben, April 30, 2009
   • 30 replies
   • 4.1k views
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   • Ben
   • September 24, 2009

4. Struck by lightning 1 2 3

   By modest, August 24, 2009
   • 42 replies
   • 4.2k views
   • 
   • lemit
   • September 22, 2009

5. Please see my new formula for calculating PI

   By cindy 2005, March 31, 2005
   • 12 replies
   • 4.3k views
   • 
   • modest
   • September 17, 2009

6. Diff. Geom. question

   By Ben, September 13, 2009
   • 8 replies
   • 1.5k views
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   • Jay-qu
   • September 15, 2009

7. PDF of uniform distribution on surface of a sphere

   By sanctus, September 7, 2009
   • 7 replies
   • 4.1k views
   • 
   • sanctus
   • September 9, 2009

8. I need a formula!

   By nomercy745, September 3, 2009
   • 6 replies
   • 1.2k views
   • 
   • modest
   • September 8, 2009

9. Differential forms & Maxwell equations 1 2

   By Ben, August 11, 2009
   • 33 replies
   • 5.3k views
   • 
   • Ben
   • September 8, 2009

10. Wave-particle duality .... again

    By hamo, September 3, 2009
    • 4 replies
    • 1.1k views
    • 
    • Ben
    • September 4, 2009

11. Conservation of mechanical energy

    By Mr. Peterman, July 12, 2009
    • 4 replies
    • 4.7k views
    • 
    • modest
    • August 23, 2009

12. The Beginning. Is It Possibly? 1 2

    By Little Bang, August 9, 2009
    • 19 replies
    • 2k views
    • 
    • freeztar
    • August 22, 2009

13. Gravity and it's relationship with time.

    By Little Bang, August 14, 2009
    • 9 replies
    • 3.5k views
    • 
    • Little Bang
    • August 19, 2009

14. Anomalies

    By Little Bang, July 27, 2009
    • 6 replies
    • 1k views
    • 
    • Eric
    • August 15, 2009

15. Non-gravitational light bending

    By Theory5, August 10, 2009
    • 1 reply
    • 828 views
    • 
    • UncleAl
    • August 11, 2009

16. Physics essay contest!

    By UncleAl, August 1, 2009
    • 5 replies
    • 2k views
    • 
    • UncleAl
    • August 6, 2009

17. Questions on magnetic moments

    By Rade, August 1, 2009
    • 3 replies
    • 768 views
    • 
    • UncleAl
    • August 4, 2009

18. SkyCam Formula-Upside down pyramid

    By gatocrane, December 19, 2006
    • 10 replies
    • 6.4k views
    • 
    • gatocrane
    • July 26, 2009

19. Rockets and 1/2 mv^2 1 2

    By Mr. Peterman, July 12, 2009
    • 24 replies
    • 3.8k views
    • 
    • enorbet2
    • July 25, 2009

20. Gauge theory

    By Ben, July 4, 2009
    • 15 replies
    • 1.7k views
    • 
    • Qfwfq
    • July 17, 2009

21. An integer sequence puzzle

    By CraigD, June 27, 2009
    • 12 replies
    • 2.1k views
    • 
    • CraigD
    • July 15, 2009

22. Antimatter black-holes: possibilities/consequences 1 2 3

    By Hasanuddin, July 7, 2009
    • 41 replies
    • 6.3k views
    • 
    • Jay-qu
    • July 15, 2009

23. This question 1 2

    By Sniperjak, June 15, 2009
    • 26 replies
    • 2.6k views
    • 
    • Don Blazys
    • July 14, 2009

24. Bad math

    By UncleAl, July 8, 2009
    • 3 replies
    • 832 views
    • 
    • lawcat
    • July 10, 2009

25. Cold fission (or fusion)

    By belovelife, March 26, 2009
    • 6 replies
    • 1.6k views
    • 
    • Moontanman
    • July 9, 2009