Modern and Theoretical Physics

2433 topics in this forum

1. Does a photon have physical volume or geometrical size? 1 2

   By madscience, November 12, 2007
   • 32 replies
   • 76.8k views
   • 
   • johnnymckiernan
   • December 23, 2010

2. Mathematics of Creation 1 2

   By ydoaPs, November 2, 2010
   • 32 replies
   • 5.5k views
   • 
   • steevey
   • January 17, 2011

3. Thermodynamics 1 2

   By Toby, March 15, 2011
   • 32 replies
   • 5.1k views
   • 
   • swansont
   • March 21, 2011

4. Spaghettifission 1 2

   By ydoaPs, March 11, 2012
   • 32 replies
   • 5.5k views
   • 
   • Spyman
   • March 31, 2012

5. Are Space & Time A Fundamental Property Or Emergent 1 2

   By Intoscience, July 7, 2021
   • 32 replies
   • 5.1k views
   • 
   • swansont
   • April 29, 2022

6. What are the axioms of physics? 1 2

   By Johnny5, March 6, 2005
   • 31 replies
   • 15.4k views
   • 
   • Severian
   • March 8, 2005

7. Matter destroyed? 1 2

   By blike, September 14, 2002
   • 31 replies
   • 4.3k views
   • 
   • JPQuiceno
   • September 29, 2005

8. "Feelings" Affecting Water 1 2

   By mooeypoo, May 24, 2006
   • 31 replies
   • 4.2k views
   • 
   • swansont
   • May 25, 2006

9. antimatter bombs ever work? 1 2

   By coke, April 1, 2009
   • 31 replies
   • 8.4k views
   • 
   • dragonstar57
   • May 18, 2011

10. Gravitational waves ? 1 2

    By 1123581321, July 19, 2011
    • 31 replies
    • 4.7k views
    • 
    • JustinW
    • December 28, 2011

11. Electron - electron collisions 1 2

    By Moontanman, December 21, 2017
    • 31 replies
    • 4.4k views
    • 
    • Vmedvil
    • December 24, 2017

12. The nature of time ( question). 1 2

    By Elendirs, February 26, 2019
    • 31 replies
    • 2.9k views
    • 
    • RedShiftam
    • March 2, 2019

13. How large would a black hole need to be to overcome inflation and pull all matter one day into a big crunch? 1 2

    By MSC, October 11, 2020
    • 31 replies
    • 3.6k views
    • 
    • beecee
    • April 8, 2021

14. proof of gravitons? 1 2

    By ydoaPs, May 7, 2005
    • 30 replies
    • 4.4k views
    • 
    • Severian
    • May 12, 2005

15. Are we missing something really fundamental? 1 2

    By guardian, October 15, 2005
    • 30 replies
    • 3.2k views
    • 
    • guardian
    • October 19, 2005

16. How to measure the mass of photon? 1 2

    By poker, March 5, 2006
    • 30 replies
    • 7.9k views
    • 
    • Rocket Man
    • June 7, 2006

17. Dark Light - Light's counter-part? 1 2

    By Hypercube, July 11, 2007
    • 30 replies
    • 3k views
    • 
    • insane_alien
    • July 18, 2007

18. Anti-matter Questionaire 1 2

    By ParanoiA, July 27, 2007
    • 30 replies
    • 3.8k views
    • 
    • DarkHors1352
    • March 7, 2008

19. Logical contradiction of notion "Symmetry" 1 2

    By Yuri Danoyan, November 12, 2008
    • 30 replies
    • 3.3k views
    • 
    • ajb
    • December 18, 2008

20. HELP! I need a time machine. 1 2

    By Stevie, March 9, 2009
    • 30 replies
    • 3.9k views
    • 
    • Reaper
    • June 6, 2009

21. About M-theory ? 1 2

    By 1123581321, December 26, 2010
    • 30 replies
    • 6.1k views
    • 
    • Realitycheck
    • August 31, 2011

22. Re: Particles and their properties 1 2

    By Dr.Bubafunk, January 27, 2013
    • 30 replies
    • 3k views
    • 
    • ajb
    • February 7, 2013

23. Charge radius rms 1 2

    By Butch, December 20, 2017
    • 30 replies
    • 3.8k views
    • 
    • Vmedvil
    • December 21, 2017

24. How does Mu-metal differ on a atomic level from soft iron 1 2

    By Hami Hashmi, August 18, 2018
    • 30 replies
    • 3.1k views
    • 
    • Hami Hashmi
    • September 18, 2018

25. Boltzmann Brains (split from Spacetime is doomed.) 1 2

    By Conjurer, January 4, 2020
    • 30 replies
    • 2.8k views
    • 
    • Conjurer
    • January 17, 2020