Physics and Mathematics

2,523 topics in this forum

1. Optimal Currency Values

   By phillip1882, January 24, 2015
   • 9 replies
   • 3.5k views
   • 
   • ErlyRisa
   • January 26, 2015

2. Luggage On A New Interpretation Of Hidden Variables For Entangled States

   By Lucious, January 11, 2015
   • 4 replies
   • 1.3k views
   • 
   • Lucious
   • January 21, 2015

3. Does Time Really Exist? Yes Or No?

   By GoldenArmz, December 5, 2013
   • 16 replies
   • 3.1k views
   • 
   • CraigD
   • January 17, 2015

4. Communication With An Alien Race

   By phillip1882, December 20, 2014
   • 3 replies
   • 17.4k views
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   • Moontanman
   • December 22, 2014

5. Feynman Lectures On Physics Online

   By Rade, December 19, 2014
   • 0 replies
   • 1.1k views
   • 
   • Rade
   • December 19, 2014

6. Collected Papers Of Albert Einstein To 1923

   By Rade, December 13, 2014
   • 0 replies
   • 1.7k views
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   • Rade
   • December 13, 2014

7. Recursive Numbering And Symmetric Numbers

   By phillip1882, November 12, 2014
   • 6 replies
   • 2.5k views
   • 
   • phillip1882
   • November 30, 2014

8. How To Calculate Force Of Moving Water In A Small Canal

   By newrobert, November 29, 2014
   • 0 replies
   • 1.7k views
   • 
   • newrobert
   • November 29, 2014

9. Nonconservative Work

   By inkliing, January 10, 2014
   • 4 replies
   • 1.5k views
   • 
   • Pmb
   • November 15, 2014

10. Einstein Vs Einstein !

    By maciejmar, September 2, 2014
    • 4 replies
    • 1.6k views
    • 
    • Pmb
    • November 15, 2014

11. Energy Conservation Violation

    By thinhnghiem, October 20, 2014
    • 3 replies
    • 1.6k views
    • 
    • Pmb
    • November 15, 2014

12. Lti Systems

    By Archemeny, October 28, 2014
    • 0 replies
    • 995 views
    • 
    • Archemeny
    • October 28, 2014

13. Mathematical Facts

    By Dumbass, October 19, 2014
    • 0 replies
    • 945 views
    • 
    • Dumbass
    • October 19, 2014

14. Why is the Carnot Cycle The most efficient heat engine? 1 2

    By Kayra, January 13, 2006
    • 28 replies
    • 28.5k views
    • 
    • JOHNDJACOBY
    • October 9, 2014

15. The Nature Of The Electron 1 2

    By Aethelwulf, August 13, 2013
    • 22 replies
    • 8.5k views
    • 
    • HydrogenBond
    • September 25, 2014

16. Bannings

    By alionalizoti, September 11, 2014
    • 4 replies
    • 1.2k views
    • 
    • sanctus
    • September 12, 2014

17. Pulsar And Supreme Time Dilation

    By Cosmobrain, September 3, 2014
    • 1 reply
    • 1.8k views
    • 
    • sunshaker
    • September 3, 2014

18. Relativistic Cycloids

    By LaurieAG, February 13, 2014
    • 0 replies
    • 1.8k views
    • 
    • LaurieAG
    • February 13, 2014

19. Relativity! Just A Story Some Might Be Interested In.

    By Doctordick, February 8, 2014
    • 4 replies
    • 1.3k views
    • 
    • Doctordick
    • February 12, 2014

20. Where Do The Optical Hexagons Come From?

    By SaxonViolence, January 21, 2014
    • 2 replies
    • 1.2k views
    • 
    • Turtle
    • January 22, 2014

21. Kelvin Temperature Scale

    By FrankM, April 24, 2013
    • 7 replies
    • 4.1k views
    • 
    • FrankM
    • January 18, 2014

22. E8 Fractal Antenna

    By FrankM, December 25, 2013
    • 4 replies
    • 1.6k views
    • 
    • Turtle
    • January 11, 2014

23. An Interesting Post In The Philosophy Of Science Forum!

    By Doctordick, January 1, 2014
    • 0 replies
    • 1.1k views
    • 
    • Doctordick
    • January 1, 2014

24. Static Friction Of Masses Connected By A Rod

    By inkliing, December 17, 2013
    • 0 replies
    • 1.1k views
    • 
    • inkliing
    • December 17, 2013

25. Light Spectrum

    By rogue2, December 4, 2013
    • 2 replies
    • 1.2k views
    • 
    • FrankM
    • December 10, 2013