Physics and Mathematics

2,523 topics in this forum

1. How, if at all possible, can 2+2=7?

   By alexander, August 28, 2005
   • 7 replies
   • 1.2k views
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   • C1ay
   • August 29, 2005

2. Had Einstein used a trick ?

   By xersan, August 21, 2005
   • 2 replies
   • 1.3k views
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   • xersan
   • August 22, 2005

3. De Broglie wavelength

   By Jay-qu, August 22, 2005
   • 0 replies
   • 1k views
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   • Jay-qu
   • August 22, 2005

4. PRMP - an algorithm for generating the primes using only “+1” and “=”

   By CraigD, July 24, 2005
   • 9 replies
   • 4.4k views
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   • Doctordick
   • August 20, 2005

5. Problem solving

   By symplectic_manifold, August 18, 2005
   • 6 replies
   • 1.6k views
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   • symplectic_manifold
   • August 19, 2005

6. Free Physics MIT video lectures

   By rockytriton, August 17, 2005
   • 1 reply
   • 3.7k views
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   • infamous
   • August 17, 2005

7. Jiggling Mass and Vacuum Space

   By damocles, August 15, 2005
   • 1 reply
   • 1.6k views
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   • UncleAl
   • August 15, 2005

8. Time Dilation 1 2 3 4

   By kamil, August 3, 2005
   • 60 replies
   • 8.2k views
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   • xersan
   • August 15, 2005

9. Violations of Newton's Second Law

   By sciman55, August 14, 2005
   • 8 replies
   • 2.6k views
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   • brianthepoet
   • August 15, 2005

10. Back to School

    By nemo, August 14, 2005
    • 6 replies
    • 1.3k views
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    • Buffy
    • August 14, 2005

11. Sci-fi imagination

    By SinkLikeAStone, August 12, 2005
    • 3 replies
    • 1.5k views
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    • CraigD
    • August 14, 2005

12. Specific Relativity/Light-Speed Question 1 2 3 4 7

    By EWright, July 23, 2005
    • 106 replies
    • 13.5k views
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    • Erasmus00
    • August 13, 2005

13. Really stupid math question

    By IrishEyes, August 12, 2005
    • 6 replies
    • 1.7k views
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    • IrishEyes
    • August 12, 2005

14. The structure of the universe

    By Oskiposki, August 12, 2005
    • 14 replies
    • 2.1k views
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    • EWright
    • August 12, 2005

15. Explain why my rocket won't work.

    By TheFaithfulStone, August 12, 2005
    • 11 replies
    • 2.5k views
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    • GAHD
    • August 12, 2005

16. Atomic Clocks not stable

    By FrankM, August 8, 2005
    • 4 replies
    • 2.2k views
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    • FrankM
    • August 12, 2005

17. Rate of Speed?

    By Untergang, August 11, 2005
    • 4 replies
    • 4.4k views
    • 
    • Greg_G47
    • August 12, 2005

18. An experiment to confirm that gravity is a bosonic force

    By CraigD, August 7, 2005
    • 14 replies
    • 2.6k views
    • 
    • Erasmus00
    • August 12, 2005

19. Equation webpage!

    By UncleAl, August 10, 2005
    • 0 replies
    • 1.4k views
    • 
    • UncleAl
    • August 10, 2005

20. Casimir effect and wormhole for FTL communication?

    By Greg_G47, August 10, 2005
    • 2 replies
    • 1.5k views
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    • Greg_G47
    • August 10, 2005

21. A fundamental Question

    By Little Bang, August 9, 2005
    • 4 replies
    • 1.1k views
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    • Little Bang
    • August 9, 2005

22. Gravitation anomaly observed

    By UncleAl, August 8, 2005
    • 3 replies
    • 1.5k views
    • 
    • Little Bang
    • August 8, 2005

23. Constancy of light speed

    By kamil, August 3, 2005
    • 5 replies
    • 1.3k views
    • 
    • FrankM
    • August 8, 2005

24. Direction of velocities in SR

    By kamil, August 2, 2005
    • 10 replies
    • 1.5k views
    • 
    • Tormod
    • August 8, 2005

25. Another Gedanken Experiment 1 2 3

    By Little Bang, August 2, 2005
    • 40 replies
    • 4.3k views
    • 
    • Qfwfq
    • August 8, 2005