Physics and Mathematics

2,523 topics in this forum

1. Why 360-degrees? 1 2 3

   By Robust, April 27, 2005
   • 48 replies
   • 4.9k views
   • 
   • Robust
   • April 29, 2005

2. Math problem

   By User2983, April 27, 2005
   • 6 replies
   • 6k views
   • 
   • Qfwfq
   • April 28, 2005

3. KAM theorem

   By sanctus, April 27, 2005
   • 5 replies
   • 1.7k views
   • 
   • UncleAl
   • April 27, 2005

4. What is the intensity of light if its direction is returned back

   By cindy 2005, April 22, 2005
   • 1 reply
   • 1.1k views
   • 
   • Qfwfq
   • April 26, 2005

5. Take a picture of a galaxy. What do you see?

   By Zthatsme, April 23, 2005
   • 3 replies
   • 2.2k views
   • 
   • Zthatsme
   • April 24, 2005

6. Math hand books

   By cindy 2005, April 22, 2005
   • 5 replies
   • 1.8k views
   • 
   • Bo
   • April 24, 2005

7. Theory of Infinity (defined) 1 2

   By Guest liliangrn, April 17, 2005
   • 29 replies
   • 4.2k views
   • 
   • Queso
   • April 23, 2005

8. Another hypothetical situation.

   By Guest liliangrn, April 20, 2005
   • 13 replies
   • 2.2k views
   • 
   • Guest
   • April 21, 2005

9. Got a question with substitution?

   By MRAI, April 19, 2005
   • 2 replies
   • 1.1k views
   • 
   • maddog
   • April 20, 2005

10. Def. of Entropy

    By pgrmdave, April 5, 2005
    • 6 replies
    • 1.9k views
    • 
    • TeleMad
    • April 16, 2005

11. Qfwfq

    By mang73, April 15, 2005
    • 1 reply
    • 1k views
    • 
    • mang73
    • April 15, 2005

12. Puzzle enthusiasts

    By C1ay, April 8, 2005
    • 14 replies
    • 2k views
    • 
    • tom
    • April 14, 2005

13. Linear algebra Q

    By mang73, April 12, 2005
    • 6 replies
    • 1.5k views
    • 
    • Qfwfq
    • April 13, 2005

14. Zero-G Flame

    By Jay-qu, April 12, 2005
    • 2 replies
    • 3.2k views
    • 
    • Qfwfq
    • April 12, 2005

15. Efficacity of detectors

    By sanctus, April 11, 2005
    • 1 reply
    • 956 views
    • 
    • C1ay
    • April 11, 2005

16. The arrow of time

    By Aki, April 8, 2005
    • 9 replies
    • 1.4k views
    • 
    • Qfwfq
    • April 11, 2005

17. Mathematica and comps

    By FREYA021, April 7, 2005
    • 1 reply
    • 1.2k views
    • 
    • Qfwfq
    • April 7, 2005

18. Prime Density

    By Thelonious, April 4, 2005
    • 3 replies
    • 5.8k views
    • 
    • Qfwfq
    • April 5, 2005

19. 1 = 2 ...? 1 2

    By Jay-qu, March 18, 2005
    • 21 replies
    • 3.1k views
    • 
    • MortenS
    • April 2, 2005

20. Can someone please explain the Neyman pearson lemma test for me??

    By mang73, March 31, 2005
    • 2 replies
    • 3.4k views
    • 
    • mang73
    • April 2, 2005

21. White Holes

    By Jay-qu, April 1, 2005
    • 2 replies
    • 1.7k views
    • 
    • jizum3434
    • April 1, 2005

22. Does time expand?

    By Aki, March 24, 2005
    • 8 replies
    • 1.6k views
    • 
    • Bo
    • March 29, 2005

23. Energy of a photon?

    By Aki, March 19, 2005
    • 13 replies
    • 9.9k views
    • 
    • Qfwfq
    • March 29, 2005

24. Electron-proton scattering

    By Aki, March 23, 2005
    • 10 replies
    • 4k views
    • 
    • Qfwfq
    • March 29, 2005

25. Calculus Help Needed-Vesica Piscis Thread-Post#11

    By Turtle, March 18, 2005
    • 7 replies
    • 2k views
    • 
    • C1ay
    • March 23, 2005