Physics and Mathematics

2,524 topics in this forum

1. Lorentz Factor and the Carnot Heat Engine

   By IDMclean, April 5, 2010
   • 0 replies
   • 2k views
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   • IDMclean
   • April 5, 2010

2. Visualize simultaneously position and momentum

   By Rade, April 3, 2010
   • 6 replies
   • 1.7k views
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   • JMJones0424
   • April 3, 2010

3. In an Effort to Learn about the World Around Me...

   By syphrix, April 1, 2010
   • 2 replies
   • 1.3k views
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   • syphrix
   • April 3, 2010

4. 1s nuclear shell

   By Rade, March 29, 2010
   • 0 replies
   • 1.1k views
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   • Rade
   • March 29, 2010

5. Boundries Neglected?

   By IDMclean, August 26, 2006
   • 11 replies
   • 1.8k views
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   • Don Blazys
   • March 29, 2010

6. A wrong therory in physics textbook--Therory of Entropy

   By shufeng-zhang, March 27, 2010
   • 2 replies
   • 2.5k views
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   • shufeng-zhang
   • March 28, 2010

7. Alpha decay question

   By Rade, March 21, 2010
   • 0 replies
   • 1.4k views
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   • Rade
   • March 21, 2010

8. Properties of light 1 2

   By EWright, December 5, 2005
   • 19 replies
   • 3.9k views
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   • Little Bang
   • March 18, 2010

9. Anti-Matter

   By Little Bang, March 15, 2010
   • 6 replies
   • 1.3k views
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   • Little Bang
   • March 16, 2010

10. Is there a GUT?

    By Moontanman, March 14, 2010
    • 7 replies
    • 1.1k views
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    • Moontanman
    • March 16, 2010

11. Too many scientists?

    By Erasmus00, February 16, 2010
    • 7 replies
    • 2.1k views
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    • Jay-qu
    • March 15, 2010

12. Working fluid (heat of vaporization) in the Rankine cycle

    By skittlesmonkey, March 10, 2010
    • 4 replies
    • 3.5k views
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    • skittlesmonkey
    • March 12, 2010

13. Inertia... in an empty universe?

    By Boerseun, March 8, 2010
    • 8 replies
    • 1.6k views
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    • modest
    • March 10, 2010

14. Uniform Relative Motion in 3D

    By inkliing, March 2, 2010
    • 2 replies
    • 1.6k views
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    • CraigD
    • March 3, 2010

15. Sum of Pth power of the 1st n natural numbers

    By Saroj, February 12, 2010
    • 7 replies
    • 5.1k views
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    • Don Blazys
    • February 20, 2010

16. Errors and Omissions of the CODATA and the Planck Constants

    By kawil, February 17, 2010
    • 0 replies
    • 1.2k views
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    • kawil
    • February 17, 2010

17. Integral of e^(x^2)*dx?

    By Edge, July 20, 2007
    • 15 replies
    • 136.4k views
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    • Listener
    • February 17, 2010

18. Classical 2 relative

    By A23, February 5, 2010
    • 4 replies
    • 1.2k views
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    • A23
    • February 14, 2010

19. Quantum average

    By A23, February 13, 2010
    • 0 replies
    • 1k views
    • 
    • A23
    • February 13, 2010

20. (1+x)^1/x near zero

    By trekkiee, February 11, 2010
    • 6 replies
    • 1.6k views
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    • trekkiee
    • February 12, 2010

21. Relativistic 1+1 transformation

    By A23, January 10, 2010
    • 1 reply
    • 964 views
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    • A23
    • February 8, 2010

22. Steorn's E-Orbo Launching - Torque without Back EMF - Is this possible?

    By lightningbolt, December 31, 2009
    • 7 replies
    • 3.1k views
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    • maikeru
    • February 6, 2010

23. Infinite strength magnetic field? 1 2

    By aurumdeus, May 12, 2005
    • 31 replies
    • 9.1k views
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    • textron45
    • January 31, 2010

24. Reaching 95% the Speed of Light 1 2

    By SadBot, January 19, 2010
    • 25 replies
    • 4.8k views
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    • SadBot
    • January 27, 2010

25. Single elimination tournament probabilities

    By CraigD, January 21, 2010
    • 4 replies
    • 3.6k views
    • 
    • A23
    • January 26, 2010