Physics

3550 topics in this forum

1. Speed of light and action at a distance question

   By wallflash, March 4, 2017
   • 8 replies
   • 1.6k views
   • 
   • wallflash
   • March 5, 2017

2. Is there any meaning to the arc-length of Euclidian Cartesian plots? 1 2

   By SFNQuestions, February 22, 2017
   • 48 replies
   • 5.3k views
   • 
   • swansont
   • March 3, 2017

3. Black holes and temperature.

   By Daecon, February 23, 2017
   • 1 reply
   • 992 views
   • 
   • MigL
   • February 24, 2017

4. Me John Titor is back

   By TimeTraveler 01, February 23, 2017
   • 1 reply
   • 1.5k views
   • 
   • John Cuthber
   • February 23, 2017

5. Revolutionary motor 1 2

   By nomanoba, February 21, 2017
   • 30 replies
   • 4.5k views
   • 
   • Phi for All
   • February 23, 2017

6. Meson

   By Schuller, February 22, 2017
   • 3 replies
   • 1k views
   • 
   • swansont
   • February 22, 2017

7. Statistical Mechanics - Entropy

   By JamSmith, February 16, 2017
   • 9 replies
   • 1.6k views
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   • JamSmith
   • February 21, 2017

8. Questions about Tesla 1 2

   By Lord Antares, February 18, 2017
   • 25 replies
   • 4.2k views
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   • Acme
   • February 21, 2017

9. Spooky Action

   By OnTheLoose, January 29, 2017
   • 8 replies
   • 1.7k views
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   • OnTheLoose
   • February 21, 2017

10. diffusion equation derivation

    By Tor Fredrik, February 19, 2017
    • 0 replies
    • 1.1k views
    • 
    • Tor Fredrik
    • February 19, 2017

11. Thought Experiment

    By Lowemack, February 17, 2017
    • 10 replies
    • 1.7k views
    • 
    • Bender
    • February 17, 2017

12. Sum of intensity of light or radiance?

    By Dobob, November 7, 2016
    • 11 replies
    • 3.8k views
    • 
    • Bender
    • February 17, 2017

13. Can irrational numbers exist on real coordinates?

    By Cezrocky, February 16, 2017
    • 3 replies
    • 1.2k views
    • 
    • Strange
    • February 16, 2017

14. Is there any photovoltaic fluids ?

    By Externet, February 15, 2017
    • 3 replies
    • 1.2k views
    • 
    • Bender
    • February 15, 2017

15. Fast Efficient Orbital Transportation? 1 2

    By SciNoodle, January 19, 2017
    • 25 replies
    • 3.2k views
    • 
    • Janus
    • February 13, 2017

16. Is there an equation that proves that Energy is always Conserved?

    By Maximillian, October 13, 2016
    • 9 replies
    • 2k views
    • 
    • BenSCBSc
    • February 10, 2017

17. How Far Away are You Safe from Spaghettification?

    By Arthur d. S. Jr., February 7, 2017
    • 3 replies
    • 1.3k views
    • 
    • MigL
    • February 7, 2017

18. A question.

    By ufuk, February 4, 2017
    • 0 replies
    • 991 views
    • 
    • ufuk
    • February 4, 2017

19. Unanswered questions

    By paragaster, January 23, 2017
    • 7 replies
    • 51.6k views
    • 
    • J.C.MacSwell
    • February 3, 2017

20. The Faithfulness of Planets

    By Randolpin, January 30, 2017
    • 11 replies
    • 1.7k views
    • 
    • Delta1212
    • February 1, 2017

21. Can you stand next to a tiny black hole?

    By KaseyWhalicorn, January 27, 2017
    • 8 replies
    • 1.8k views
    • 
    • Lord Antares
    • January 27, 2017

22. Entropy & Time

    By SophiaRivera007, January 27, 2017
    • 15 replies
    • 1.9k views
    • 
    • davidivad
    • January 27, 2017

23. Doppler, echo, attenuation

    By Function, January 26, 2017
    • 5 replies
    • 1.2k views
    • 
    • swansont
    • January 26, 2017

24. Massless things 1 2

    By AshBox, January 11, 2017
    • 35 replies
    • 4.7k views
    • 
    • Nedcim
    • January 26, 2017

25. Nuclear Fusion Electricity Generation. Where is it at currently?

    By Cosmo_Ken, January 16, 2017
    • 19 replies
    • 1.9k views
    • 
    • MigL
    • January 22, 2017