Physics

3550 topics in this forum

1. What causes the bigbang?

   By bradpitz, September 15, 2013
   • 4 replies
   • 2k views
   • 
   • balarao
   • October 2, 2013

2. Mysterious island Appears

   By sevenseas, October 2, 2013
   • 2 replies
   • 1.1k views
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   • swansont
   • October 2, 2013

3. The paradox of Hawking radiation - is matter infinitely compressible? 1 2

   By Duda Jarek, September 21, 2013
   • 32 replies
   • 3.4k views
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   • swansont
   • September 28, 2013

4. The universe borne of uncertainty?

   By TrappedLight, September 26, 2013
   • 5 replies
   • 1.6k views
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   • MigL
   • September 28, 2013

5. Stationary Relativity

   By WWLabRat, September 25, 2013
   • 9 replies
   • 1.4k views
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   • WWLabRat
   • September 27, 2013

6. What is the vacuum? Does vacuum even exist? Split from Wit? Dtee?

   By TrappedLight, September 24, 2013
   • 8 replies
   • 1.3k views
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   • TrappedLight
   • September 25, 2013

7. Can you channel laser light with fiber optic cable?

   By LanceLink, September 20, 2013
   • 2 replies
   • 893 views
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   • Enthalpy
   • September 20, 2013

8. http://www.youtube.com/watch?v=w7P95LLpljo

   By too-open-minded, September 19, 2013
   • 1 reply
   • 1.2k views
   • 
   • hypervalent_iodine
   • September 19, 2013

9. If space is so cold, why is the Earth so warm?

   By Windevoid, September 7, 2013
   • 7 replies
   • 4.5k views
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   • TrappedLight
   • September 18, 2013

10. Loss of photon energy

    By Ceasium, September 13, 2013
    • 3 replies
    • 1.3k views
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    • TrappedLight
    • September 18, 2013

11. help me out with a relative motion problem

    By coach94, September 15, 2013
    • 1 reply
    • 5.2k views
    • 
    • mathematic
    • September 15, 2013

12. Good, little-known thought experiments/medical conditions/theories/etc?

    By SlyHobbes, September 14, 2013
    • 0 replies
    • 660 views
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    • SlyHobbes
    • September 14, 2013

13. conductors and fields

    By Ankit Gupta, September 13, 2013
    • 2 replies
    • 1.1k views
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    • swansont
    • September 13, 2013

14. loops and induction

    By Ankit Gupta, August 16, 2013
    • 6 replies
    • 1.4k views
    • 
    • studiot
    • September 13, 2013

15. electricity in air

    By Ankit Gupta, September 13, 2013
    • 2 replies
    • 898 views
    • 
    • swansont
    • September 13, 2013

16. Heat left in nuclear spent fuel ?

    By Externet, July 16, 2013
    • 9 replies
    • 2.1k views
    • 
    • J.C.MacSwell
    • September 13, 2013

17. can you direct radio waves in one direction? like a laser?

    By cameron marical, February 28, 2009
    • 8 replies
    • 20.5k views
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    • Enthalpy
    • September 12, 2013

18. Induction cookware...

    By Externet, August 30, 2013
    • 4 replies
    • 1.2k views
    • 
    • Enthalpy
    • September 12, 2013

19. Time travel not logical according to current laws

    By Ihcisphysicist, September 1, 2013
    • 8 replies
    • 1.6k views
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    • Ihcisphysicist
    • September 12, 2013

20. Infinite Gravity?

    By CramBoom, August 29, 2013
    • 10 replies
    • 2k views
    • 
    • Ihcisphysicist
    • September 5, 2013

21. 110" Paper tower

    By raiool, September 5, 2013
    • 6 replies
    • 1.8k views
    • 
    • Endy0816
    • September 5, 2013

22. Einsteins equations and super computer

    By too-open-minded, September 3, 2013
    • 1 reply
    • 865 views
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    • ajb
    • September 3, 2013

23. Why is exit wound in a rifle gun shot injury bigger than entry wound?

    By scilearner, May 28, 2013
    • 4 replies
    • 9.7k views
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    • Ihcisphysicist
    • September 1, 2013

24. Life elsewhere, thoughts. 1 2

    By Iota, July 27, 2013
    • 48 replies
    • 5.2k views
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    • TransformerRobot
    • August 31, 2013

25. Calculate the Kinetic Energy of an Impactor (Fun in Physics)

    By Greg H., August 27, 2013
    • 6 replies
    • 1.8k views
    • 
    • Greg H.
    • August 29, 2013