Modern and Theoretical Physics

2433 topics in this forum

1. Questions about Time 1 2 3 4

   By AbstractDreamer, November 13, 2016
   • 85 replies
   • 11.3k views
   • 
   • steveupson
   • December 16, 2016

2. What causes colours? 1 2 3 4

   By NSX, March 20, 2003
   • 80 replies
   • 8.7k views
   • 
   • greg1917
   • June 30, 2003

3. The Antiphoton 1 2 3 4

   By Kyrisch, October 22, 2008
   • 79 replies
   • 31.7k views
   • 
   • Mystery111
   • September 1, 2011

4. Need vaues for critical conditions of Uranium 235 1 2 3 4

   By MWresearch, February 23, 2015
   • 79 replies
   • 7.9k views
   • 
   • swansont
   • March 3, 2015

5. Does physics say my notion is incorrect? 1 2 3 4

   By discountbrains, July 27, 2018
   • 79 replies
   • 5.8k views
   • 
   • swansont
   • August 11, 2018

6. zetatalk.com 1 2 3 4

   By Radical Edward, January 25, 2003
   • 77 replies
   • 8.4k views
   • 
   • JaKiri
   • January 30, 2003

7. Travelling back in time.. whilst living in a simulation. 1 2 3 4

   By alt_f13, December 29, 2003
   • 76 replies
   • 9.5k views
   • 
   • Pinch Paxton
   • March 23, 2004

8. theory help 1 2 3 4

   By quick silver, April 5, 2005
   • 76 replies
   • 7.7k views
   • 
   • quick silver
   • April 19, 2005

9. Why does light travel at the speed of light? 1 2 3 4

   By petermartin, April 16, 2012
   • 75 replies
   • 10.5k views
   • 
   • elfmotat
   • June 4, 2012

10. Traped light as energy reservoir(NEW INVENTION?) 1 2 3

    By x__heavenly__x, May 6, 2004
    • 72 replies
    • 8k views
    • 
    • Dave
    • May 14, 2004

11. Radioactive Decay is Causeless? 1 2 3

    By foofighter, February 28, 2008
    • 72 replies
    • 17.9k views
    • 
    • Klaynos
    • May 17, 2008

12. Where are the laws of the universe exactly? 1 2 3

    By PrimalMinister, August 2, 2017
    • 72 replies
    • 7.9k views
    • 
    • Eise
    • May 6, 2019

13. Discrete and continue symmetries 1 2 3

    By Yuri Danoyan, July 18, 2008
    • 71 replies
    • 15.8k views
    • 
    • ajb
    • January 3, 2010

14. Particles Being Points is in Conflict With Them Being Something! [WRONG AGAIN] 1 2 3

    By Willem F Esterhuyse, February 8, 2023
    • 71 replies
    • 3.1k views
    • 
    • studiot
    • February 26, 2023

15. Electromagnetic Wave have momentum 1 2 3

    By Ashish, October 16, 2008
    • 69 replies
    • 7.4k views
    • 
    • swansont
    • January 17, 2009

16. Why light can't escape a Black Hole's gravity? 1 2 3

    By morgsboi, November 11, 2011
    • 69 replies
    • 12.4k views
    • 
    • juanrga
    • May 31, 2012

17. Periodic Law points to double tetrahedron nucleus 1 2 3

    By Vts, May 1, 2008
    • 67 replies
    • 9.5k views
    • 
    • Yuri Danoyan
    • August 1, 2008

18. Coriolis and Centrifugal force visualized in a rotating mass(loop) 1 2 3

    By photon propeller, January 31, 2013
    • 67 replies
    • 12.7k views
    • 
    • Mike Smith Cosmos
    • January 19, 2014

19. Can mass be called mass without the “object” 1 2 3

    By Short timer, November 26, 2019
    • 67 replies
    • 6.7k views
    • 
    • Sensei
    • December 11, 2019

20. Time dilation or a change of frequency ? 1 2 3

    By Ned, September 20, 2022
    • 66 replies
    • 2.9k views
    • 
    • Phi for All
    • September 22, 2022

21. Warp Drive Now Possible 1 2 3

    By Alyaarn, January 27, 2013
    • 65 replies
    • 11.1k views
    • 
    • Alyaarn
    • August 26, 2013

22. Could relativity be incorrect 1 2 3

    By PrimalMinister, August 2, 2017
    • 65 replies
    • 8.9k views
    • 
    • swansont
    • September 6, 2017

23. Creating matter 1 2 3

    By FreshMadEagr, January 17, 2005
    • 63 replies
    • 7.4k views
    • 
    • Sayonara
    • February 12, 2005

24. Gravitons... Are there anti-gravitons? 1 2 3

    By RyanJ, November 2, 2005
    • 62 replies
    • 8.6k views
    • 
    • timo
    • May 30, 2006

25. A String Theory Theory 1 2 3

    By Bluemercury, December 4, 2014
    • 61 replies
    • 5.7k views
    • 
    • Bluemercury
    • December 17, 2014