Modern and Theoretical Physics

2433 topics in this forum

1. What came to be first - time and laws of nature or Big Bang?

   By Nacelunk, February 21, 2007
   • 6 replies
   • 1.3k views
   • 
   • foodchain
   • February 27, 2007

2. What can cause an atomic blast in nature? 1 2

   By EquisDeXD, October 15, 2012
   • 44 replies
   • 4.8k views
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   • swansont
   • October 24, 2012

3. What causes colours? 1 2 3 4

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

4. What Causes Gravity?

   By cmartin, December 19, 2007
   • 10 replies
   • 2.2k views
   • 
   • Norman Albers
   • January 4, 2008

5. What comes first, Energy or Force???

   By Encrypted, September 5, 2004
   • 4 replies
   • 2.5k views
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   • 5614
   • September 5, 2004

6. What created energy if energy cannot be created? 1 2

   By Knowledge Enthusiast, May 12, 2017
   • 35 replies
   • 10.4k views
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   • Strange
   • July 17, 2017

7. What created quarks?

   By Guest Snibly, September 18, 2004
   • 21 replies
   • 3.1k views
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   • Severian
   • October 25, 2004

8. What determined the inital state of the universe?

   By Neuron, April 30, 2020
   • 18 replies
   • 2k views
   • 
   • Strange
   • May 16, 2020

9. What determines Gluon mass per Quark ?

   By Widdekind, June 11, 2010
   • 1 reply
   • 1k views
   • 
   • elas
   • June 14, 2010

10. What divides one dimension from another ?

    By 36grit, March 8, 2011
    • 2 replies
    • 1.3k views
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    • ajb
    • March 8, 2011

11. What do these terms mean regarding Antennas?

    By vitality00, November 7, 2014
    • 1 reply
    • 1.5k views
    • 
    • Strange
    • November 7, 2014

12. What do we mean when we say something is "Non-Linear"?

    By MSC, October 11, 2020
    • 4 replies
    • 1.4k views
    • 
    • HallsofIvy
    • December 11, 2020

13. What do you get out of that Feynman video? Are there others?

    By Martin, June 14, 2009
    • 2 replies
    • 1.1k views
    • 
    • iNow
    • June 27, 2009

14. What Do You Think, Are Photons Matter Or Energy?? 1 2 3 4

    By Pomlom, August 12, 2004
    • 99 replies
    • 16k views
    • 
    • brad89
    • June 2, 2005

15. What does "The calculation has reached convergence" mean in Quantum ESPRESSO?

    By Scienc, November 8, 2022
    • 3 replies
    • 866 views
    • 
    • Scienc
    • November 8, 2022

16. what does dark matter look like?

    By gib65, December 3, 2007
    • 21 replies
    • 4.4k views
    • 
    • Norman Albers
    • December 13, 2007

17. What does it take to create a planet?

    By beachbaby, January 3, 2018
    • 18 replies
    • 2k views
    • 
    • Janus
    • January 4, 2018

18. What does the 70 percent drop in string research mean?

    By Martin, June 10, 2004
    • 9 replies
    • 2k views
    • 
    • Martin
    • June 15, 2004

19. What does the term 'infinitely rare' mean in the context of theoretical physics?

    By Fanghur, March 29, 2013
    • 8 replies
    • 2.3k views
    • 
    • ajb
    • April 9, 2013

20. What does this diacritic mean in physics context?

    By vitality00, November 4, 2014
    • 1 reply
    • 1k views
    • 
    • elfmotat
    • November 4, 2014

21. What else is there besides 16 elementary particles?

    By studiot, July 10, 2012
    • 17 replies
    • 2.6k views
    • 
    • Ronald Hyde
    • August 20, 2012

22. What energy density expected at LHC point of collision?

    By Martin, May 21, 2007
    • 2 replies
    • 1.2k views
    • 
    • Martin
    • May 21, 2007

23. what exactly are tensors and how do they work?

    By zaphod, November 30, 2004
    • 4 replies
    • 1.2k views
    • 
    • zaphod
    • December 3, 2004

24. What exactly is a strangelet? And how is it dangerous?

    By Hypercube, June 17, 2008
    • 6 replies
    • 14.4k views
    • 
    • Gilded
    • September 5, 2008

25. What exactly is magnetism?

    By Ranowa, September 28, 2015
    • 12 replies
    • 2.4k views
    • 
    • DrP
    • October 15, 2015