Modern and Theoretical Physics

2433 topics in this forum

1. Which is greater?

   By Guest auzziegeek, June 17, 2004
   • 2 replies
   • 1k views
   • 
   • [Tycho?]
   • June 18, 2004

2. Which state is the proton and neutron in the Deuterium?

   By alpha2cen, December 13, 2010
   • 1 reply
   • 1.1k views
   • 
   • granpa
   • December 13, 2010

3. Whitehole hypothesis confirmed? What connects it to the blackhole?

   By OroborosEmber, January 24, 2018
   • 6 replies
   • 1.5k views
   • 
   • beecee
   • March 16, 2018

4. Why angle of reflection and incident are equal??

   By Mera Bharat Mahan, July 15, 2013
   • 23 replies
   • 2.4k views
   • 
   • Mera Bharat Mahan
   • August 7, 2013

5. Why are String and M-Theory considered scientific theories?

   By Hypercube, August 21, 2012
   • 18 replies
   • 2.3k views
   • 
   • ajb
   • August 24, 2012

6. Why aren't warp drives able to use charge instead of negative energy?

   By Endercreeper01, March 13, 2014
   • 1 reply
   • 814 views
   • 
   • MigL
   • March 13, 2014

7. Why can't each point in space be pan dimensional?

   By Not Sure, November 13, 2014
   • 2 replies
   • 1.3k views
   • 
   • Mordred
   • November 13, 2014

8. Why can't time be constant for everything in the universe? 1 2 3

   By arknd, February 4, 2013
   • 54 replies
   • 4.9k views
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   • zapatos
   • May 31, 2013

9. Why can't you re-burn hydrogen (I KNOW this is a dumbass question, just am not seeing this, be nice!)

   By ulrichburke, November 17, 2021
   • 6 replies
   • 930 views
   • 
   • John Cuthber
   • November 17, 2021

10. Why do forces exist?

    By pears, August 22, 2013
    • 9 replies
    • 5k views
    • 
    • Phi for All
    • September 15, 2013

11. Why do superconductors act the way they do?

    By RyanJ, February 9, 2006
    • 1 reply
    • 861 views
    • 
    • 5614
    • February 9, 2006

12. Why do we need gauge symmetry and anomaly freedom?

    By Schmelzer, November 6, 2019
    • 15 replies
    • 2k views
    • 
    • Conjurer
    • January 17, 2020

13. Why does classical string theory have only 9 dimensions?

    By camcelve, December 31, 2011
    • 8 replies
    • 1.5k views
    • 
    • michel123456
    • January 2, 2012

14. 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

15. Why does magnetism happen?

    By Anjruu, October 13, 2005
    • 13 replies
    • 6.2k views
    • 
    • Conceptual
    • October 20, 2005

16. Why don't entanglement and relativity of simultaneity contradict each other? 1 2

    By Freddy_das_boot, July 31, 2021
    • 44 replies
    • 3.1k views
    • 
    • bangstrom
    • January 28, 2022

17. Why don't Proton and Anti-proton collisions produce 3 Neutral Pions. 1 2

    By Vmedvil, December 24, 2017
    • 28 replies
    • 4.1k views
    • 
    • Vmedvil
    • December 26, 2017

18. Why don't transuranic elements occur in nature?

    By chilehed, November 2, 2006
    • 4 replies
    • 1.9k views
    • 
    • chilehed
    • November 3, 2006

19. Why Electrons slow themselves to their individual ground state

    By nwaogu, January 29, 2006
    • 10 replies
    • 1.8k views
    • 
    • nwaogu
    • May 13, 2006

20. Why I believe we are here, and why we cannot answer how we are here.

    By Guest, January 1, 1970
    • 0 replies
    • 915 views
    • 
    • Guest
    • January 1, 1970

21. Why I think the universe is an open system

    By kuhlzw, September 22, 2012
    • 1 reply
    • 1.1k views
    • 
    • imatfaal
    • September 22, 2012

22. Why is anti-matter so expensive?

    By Akpolarbears, December 3, 2013
    • 5 replies
    • 4.1k views
    • 
    • J.C.MacSwell
    • December 7, 2013

23. Why is Hawking Radiation not probabilistically symmetric? 1 2

    By MWresearch, March 2, 2015
    • 37 replies
    • 3.7k views
    • 
    • Mordred
    • March 6, 2015

24. Why is it called String THEORY?

    By dstebbins, January 20, 2009
    • 16 replies
    • 2.2k views
    • 
    • ajb
    • February 4, 2009

25. Why is it so warm on the moon?

    By losfomot, June 15, 2004
    • 4 replies
    • 1.3k views
    • 
    • Martin
    • June 16, 2004