Modern and Theoretical Physics

2451 topics in this forum

1. excitation of electron in an impurity level.

   By souffler, September 18, 2019
   • 1 reply
   • 1.1k views
   • 
   • Enthalpy
   • October 7, 2019

2. Does a magnetic field have mass? 1 2 3 4 7

   By MPMin, August 31, 2019
   • 156 replies
   • 69.5k views
   • 
   • swansont
   • September 27, 2019

3. Historical changes to Planck constant.

   By avicenna, September 14, 2019
   • 6 replies
   • 2.2k views
   • 
   • Mordred
   • September 15, 2019

4. Electro-Magnetic Cooling?

   By ThatOneGuyAR, September 9, 2019
   • 3 replies
   • 1.4k views
   • 
   • swansont
   • September 11, 2019

5. Can gamma ray frequencies be measured directly?

   By avicenna, September 8, 2019
   • 13 replies
   • 2.2k views
   • 
   • swansont
   • September 8, 2019

6. Can light interact with light in empty space?

   By avicenna, September 7, 2019
   • 12 replies
   • 2.2k views
   • 
   • swansont
   • September 8, 2019

7. Matter to Light

   By CrazyScienceNerd, October 1, 2018
   • 15 replies
   • 2.5k views
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   • The Shadow
   • September 5, 2019

8. Are all processes time/CPT-reversible, e.g. measurement, stimulated emission, state preparation, Big Bang?

   By Duda Jarek, August 28, 2019
   • 7 replies
   • 1.4k views
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   • Mordred
   • August 29, 2019

9. Why Time Travel Is not possible

   By Manish Gupta, August 16, 2019
   • 3 replies
   • 1.6k views
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   • Manish Gupta
   • August 16, 2019

10. Pair production (Electron, positron)

    By Lizwi, August 9, 2019
    • 14 replies
    • 1.7k views
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    • swansont
    • August 13, 2019

11. Black hole gravitation

    By Amazing Random, August 3, 2019
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • August 3, 2019

12. As we are seen by creatures from other dimensions

    By cikleez, June 7, 2019
    • 7 replies
    • 2.9k views
    • 
    • Wulphstein
    • August 2, 2019

13. Uniaxial Loading problem in LAMMPS

    By Faiyaz Jamil, July 28, 2019
    • 0 replies
    • 981 views
    • 
    • Faiyaz Jamil
    • July 28, 2019

14. Can you move in space? 1 2 3 4 17

    By MPMin, July 2, 2019
    • 416 replies
    • 29.5k views
    • 
    • swansont
    • July 23, 2019

15. Mathematical Physics

    By Lizwi, July 23, 2019
    • 0 replies
    • 997 views
    • 
    • Lizwi
    • July 23, 2019

16. Vacuum VS Black Hole

    By Frostedwinds, July 18, 2019
    • 23 replies
    • 4k views
    • 
    • beecee
    • July 22, 2019

17. Perpetuum mobile

    By Moreno, July 19, 2019
    • 14 replies
    • 2.4k views
    • 
    • swansont
    • July 21, 2019

18. Math endanger physics.

    By AUDI R6, July 19, 2019
    • 7 replies
    • 1.4k views
    • 
    • Strange
    • July 19, 2019

19. Meson number conserved

    By AUDI R6, July 17, 2019
    • 3 replies
    • 1.3k views
    • 
    • Mordred
    • July 17, 2019

20. Photon propulsion (split from 3 facts maybe you don't know about antimatter) 1 2

    By Curious layman, July 10, 2019
    • 27 replies
    • 60.3k views
    • 
    • zapatos
    • July 12, 2019

21. How Magnetism creates difference of potential ?

    By usmansa1, June 30, 2019
    • 6 replies
    • 1.7k views
    • 
    • BillNye123
    • July 6, 2019

22. The 11 dimensions of string theory

    By QuantumT, July 3, 2019
    • 17 replies
    • 2.4k views
    • 
    • Mordred
    • July 5, 2019

23. Light energy (split from Can you move in space?)

    By MPMin, July 3, 2019
    • 3 replies
    • 1.3k views
    • 
    • Strange
    • July 3, 2019

24. Mizuno Seeks Replications

    By nicke, June 23, 2019
    • 8 replies
    • 3k views
    • 
    • dimreepr
    • June 26, 2019

25. Space Expansion

    By horatio weinerbutt, June 24, 2019
    • 2 replies
    • 1.1k views
    • 
    • Strange
    • June 26, 2019