Physics and Mathematics

2,524 topics in this forum

1. Quick quiery? 1 2

   By Damo2600, April 27, 2005
   • 21 replies
   • 3.2k views
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   • Damo2600
   • April 30, 2005

2. Why 360-degrees? 1 2 3

   By Robust, April 27, 2005
   • 48 replies
   • 5.1k views
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   • Robust
   • April 29, 2005

3. Math problem

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

4. KAM theorem

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

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

   By cindy 2005, April 22, 2005
   • 1 reply
   • 1.2k views
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   • Qfwfq
   • April 26, 2005

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

   By Zthatsme, April 23, 2005
   • 3 replies
   • 2.3k views
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   • Zthatsme
   • April 24, 2005

7. Math hand books

   By cindy 2005, April 22, 2005
   • 5 replies
   • 1.9k views
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   • Bo
   • April 24, 2005

8. Theory of Infinity (defined) 1 2

   By Guest liliangrn, April 17, 2005
   • 29 replies
   • 4.3k views
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   • Queso
   • April 23, 2005

9. Another hypothetical situation.

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

10. Got a question with substitution?

    By MRAI, April 19, 2005
    • 2 replies
    • 1.2k views
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    • maddog
    • April 20, 2005

11. Def. of Entropy

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

12. Qfwfq

    By mang73, April 15, 2005
    • 1 reply
    • 1.1k views
    • 
    • mang73
    • April 15, 2005

13. Puzzle enthusiasts

    By C1ay, April 8, 2005
    • 14 replies
    • 2.1k views
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    • tom
    • April 14, 2005

14. Linear algebra Q

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

15. Zero-G Flame

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

16. Efficacity of detectors

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

17. The arrow of time

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

18. Mathematica and comps

    By FREYA021, April 7, 2005
    • 1 reply
    • 1.3k views
    • 
    • Qfwfq
    • April 7, 2005

19. Prime Density

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

20. 1 = 2 ...? 1 2

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

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

    By mang73, March 31, 2005
    • 2 replies
    • 3.5k views
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    • mang73
    • April 2, 2005

22. White Holes

    By Jay-qu, April 1, 2005
    • 2 replies
    • 1.8k views
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    • jizum3434
    • April 1, 2005

23. Does time expand?

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

24. Energy of a photon?

    By Aki, March 19, 2005
    • 13 replies
    • 10k views
    • 
    • Qfwfq
    • March 29, 2005

25. Electron-proton scattering

    By Aki, March 23, 2005
    • 10 replies
    • 4.1k views
    • 
    • Qfwfq
    • March 29, 2005