Modern and Theoretical Physics

2432 topics in this forum

1. Questions about Time 1 2 3 4

   By AbstractDreamer, November 13, 2016
   • 85 replies
   • 11.2k views
   • 
   • steveupson
   • December 16, 2016

2. Warp Drive Now Possible 1 2 3

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

3. Answer your string questions for a nickle! 1 2 3 4

   By BenTheMan, September 4, 2007
   • 89 replies
   • 11k views
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   • BenTheMan
   • September 15, 2007

4. P-type, N-type silicon wafer

   By Newbies_Kid, February 3, 2011
   • 8 replies
   • 10.9k views
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   • Enthalpy
   • April 6, 2016

5. What are particles made out of?

   By Kygron, January 16, 2007
   • 7 replies
   • 10.8k views
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   • Kygron
   • January 23, 2007

6. What if the "Big Bang" was just the supernova of a star?

   By IsiacTorres, May 18, 2014
   • 13 replies
   • 10.8k views
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   • Mordred
   • June 8, 2014

7. Can virtual particles come from nothing?

   By disappointedyoungman, June 9, 2011
   • 9 replies
   • 10.7k views
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   • alpha2cen
   • July 14, 2011

8. What is non-matter? Can non-matter interact with matter?

   By tempo, December 16, 2005
   • 6 replies
   • 10.7k views
   • 
   • Severian
   • December 18, 2005

9. Does infinite small exist?

   By jeftones, October 28, 2004
   • 13 replies
   • 10.6k views
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   • ed84c
   • October 30, 2004

10. Is there any technology that could disable all electronics in a house or small building?

    By Tom_Ladon, October 30, 2014
    • 13 replies
    • 10.6k views
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    • Enthalpy
    • November 5, 2014

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

    By petermartin, April 16, 2012
    • 75 replies
    • 10.4k views
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    • elfmotat
    • June 4, 2012

12. Gravity affect size 1 2

    By Red Charley, May 9, 2011
    • 27 replies
    • 10.4k views
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    • swansont
    • May 23, 2011

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

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

14. Time Travel 1 2 3

    By Zarnaxus, December 5, 2010
    • 56 replies
    • 10.3k views
    • 
    • michel123456
    • July 9, 2011

15. Arrow of time 1 2 3 4

    By Greg Boyles, October 31, 2011
    • 91 replies
    • 10.2k views
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    • Mystery111
    • November 14, 2011

16. how to use earths natural magnetic force to create a hoverboard

    By projectb, July 11, 2013
    • 14 replies
    • 10.1k views
    • 
    • PureGenius
    • September 16, 2013

17. Does Halo's NOVA bomb have any truth to it whatsoever?

    By Hypercube, May 9, 2012
    • 12 replies
    • 10k views
    • 
    • Nuclear_Poster
    • January 13, 2023

18. Why is time considered the 4th dimension? 1 2

    By RichardG, March 7, 2012
    • 29 replies
    • 9.7k views
    • 
    • IM Egdall
    • April 2, 2012

19. Hollow Earth Theory , is it physically possible?

    By HamsterPower, March 16, 2011
    • 22 replies
    • 9.6k views
    • 
    • csmyth3025
    • May 2, 2011

20. The Size of Atoms and Molecules: Incredible Claim?

    By Dekan, April 25, 2011
    • 22 replies
    • 9.6k views
    • 
    • lemur
    • May 1, 2011

21. Teleportation. 1 2 3

    By chris, July 9, 2002
    • 52 replies
    • 9.5k views
    • 
    • CountessDrac
    • May 11, 2005

22. 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

23. 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

24. Radioactivity in the past 1 2 3 4

    By EquisDeXD, October 10, 2012
    • 88 replies
    • 9.4k views
    • 
    • John Cuthber
    • October 22, 2012

25. how much energy is ther in universe? 1 2 3

    By silverwind, November 10, 2010
    • 53 replies
    • 9.3k views
    • 
    • lemur
    • December 23, 2010