Modern and Theoretical Physics

2454 topics in this forum

1. Lowering the speed of light

   By GeeKay, January 23, 2015
   • 13 replies
   • 2.3k views
   • 
   • MomentTheory
   • January 29, 2015

2. if tachyon particles cannot drop below the speed of light, can tachyon waves?

   By infomancr, November 27, 2014
   • 9 replies
   • 2.1k views
   • 
   • Lucious
   • January 19, 2015

3. New/Correct Black Hole Theory? - Spacetime Special Relativity

   By Banshii, January 3, 2015
   • 24 replies
   • 2.8k views
   • 
   • Robittybob1
   • January 9, 2015

4. 5 dimensions

   By michel123456, January 6, 2015
   • 9 replies
   • 1.8k views
   • 
   • ajb
   • January 8, 2015

5. Dark Matter Waves

   By liquidspacetimes, December 30, 2014
   • 1 reply
   • 912 views
   • 
   • imatfaal
   • December 30, 2014

6. The nature and history of physics. 1 2

   By AndresKiani, December 13, 2014
   • 47 replies
   • 4.5k views
   • 
   • Mordred
   • December 21, 2014

7. A String Theory Theory 1 2 3

   By Bluemercury, December 4, 2014
   • 61 replies
   • 6.7k views
   • 
   • Bluemercury
   • December 17, 2014

8. what is time ?? 1 2

   By lepton_veecee, June 3, 2014
   • 42 replies
   • 7.2k views
   • 
   • MigL
   • December 5, 2014

9. Higgs Boson and M-Theory

   By LiquidMentality, May 25, 2011
   • 17 replies
   • 5.7k views
   • 
   • IM Egdall
   • November 26, 2014

10. For practical purposes, what is the frequency of electromagnetic radiation proportional to?

    By Xian, November 23, 2014
    • 2 replies
    • 970 views
    • 
    • Mike Smith Cosmos
    • November 23, 2014

11. What is meant by the term dipole?

    By Xian, November 23, 2014
    • 3 replies
    • 1.3k views
    • 
    • Mike Smith Cosmos
    • November 23, 2014

12. order and entropy.... 1 2 3

    By petrushka.googol, January 23, 2014
    • 51 replies
    • 7.5k views
    • 
    • Strange
    • November 23, 2014

13. Ket and Bra with the momentum j,m

    By brombenzol123, November 16, 2014
    • 3 replies
    • 1.4k views
    • 
    • brombenzol123
    • November 19, 2014

14. Can an atom reach a temperature below absolute zero?

    By Buych778, November 18, 2014
    • 3 replies
    • 1.5k views
    • 
    • swansont
    • November 18, 2014

15. The big bang, the expanding universe, and the Higgs Boson.

    By TheExplorer, August 15, 2014
    • 6 replies
    • 1.9k views
    • 
    • Mordred
    • November 18, 2014

16. Van De Graff Generator and Tesla Coil

    By Future JPL Space Engineer, November 18, 2014
    • 0 replies
    • 900 views
    • 
    • Future JPL Space Engineer
    • November 18, 2014

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

    By Not Sure, November 13, 2014
    • 2 replies
    • 1.5k views
    • 
    • Mordred
    • November 13, 2014

18. Sources of electron-positron field in QFT

    By Quetzalcoatl, October 5, 2014
    • 16 replies
    • 2.1k views
    • 
    • Quetzalcoatl
    • November 12, 2014

19. What are the different types of inductions?

    By vitality00, November 12, 2014
    • 1 reply
    • 1.2k views
    • 
    • elfmotat
    • November 12, 2014

20. Is binding energy apart of rest mass?

    By vitality00, November 8, 2014
    • 2 replies
    • 1.5k views
    • 
    • swansont
    • November 8, 2014

21. Neutron and radiation?

    By vitality00, November 8, 2014
    • 1 reply
    • 966 views
    • 
    • swansont
    • November 8, 2014

22. What is a beggining and ending velocity for an electron?

    By vitality00, November 7, 2014
    • 3 replies
    • 1.2k views
    • 
    • swansont
    • November 7, 2014

23. What do these terms mean regarding Antennas?

    By vitality00, November 7, 2014
    • 1 reply
    • 1.6k views
    • 
    • Strange
    • November 7, 2014

24. How do I get a charge to emit a certain frequency of radiation?

    By vitality00, October 31, 2014
    • 2 replies
    • 990 views
    • 
    • Enthalpy
    • November 5, 2014

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

    By Tom_Ladon, October 30, 2014
    • 13 replies
    • 13.4k views
    • 
    • Enthalpy
    • November 5, 2014