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Physics

The world of forces, particles and high-powered experiments.

Subforums

  1. Classical Physics

    Vector forces, gravity, acceleration, and other facets of mechanics.

    33.2k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.5k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.8k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    30k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    48.8k
    posts

3545 topics in this forum

  1. Please Help me with this problem?

    By the_sunshine,
    • 5 replies
    • 3.3k views

  2. Electromagnetic induction problem

    By brainpicker,
    • 3 replies
    • 1.1k views

  3. Silver Dollars :Magnetic Levitation?

    By recursive,
    • 3 replies
    • 1.7k views

  4. help please!?!?!

    By T man831,
    • 8 replies
    • 1.5k views

  5. Power problem

    By Kdar1987,
    • 16 replies
    • 6k views

  6. Sound In Strings

    By SimonInSimon,
    • 7 replies
    • 1.3k views

  7. Will our planet always stay in orbit?

    By GrandMasterK,
    • 11 replies
    • 1.7k views

  8. Result of living on light and heavier planets?

    By GrandMasterK,
    • 2 replies
    • 858 views

  9. The magnetocaloric effect...

    By Externet,
    • 7 replies
    • 1.6k views

  10. Torque.. what the @#$ is Torque? 1 2

    By mooeypoo,
    • 42 replies
    • 4.8k views

  11. Random???

    By kenshin,
    • 13 replies
    • 2.1k views

  12. Experimental uncertainty

    By mathtrek,
    • 1 reply
    • 983 views

  13. The Weight of Fire 1 2

    By Shadow,
    • 31 replies
    • 3k views

  14. Why Implosion after Explosion?

    By GrandMasterK,
    • 8 replies
    • 2.9k views

  15. Lighting a LED lightbulb using electromagnetic Induction.?

    By Universal,
    • 4 replies
    • 3k views

  16. Physics Without Forces

    By ydoaPs,
    • 14 replies
    • 1.7k views

  17. "An Exceptionally Simple Theory of Everything"

    By blike,
    • 1 reply
    • 1.2k views

  18. harmonics

    By naytarn,
    • 2 replies
    • 887 views

  19. Physics problem

    By Encrypted,
    • 8 replies
    • 1.5k views

  20. quantum photography 1 2

    By Norman Albers,
    • 37 replies
    • 2.7k views

  21. what element is "fire" ?

    By veton,
    • 19 replies
    • 2.5k views

  22. what makes materials transparant?

    By ソーナノ,
    • 5 replies
    • 1.1k views

  23. Temperature of expanding gas

    By mprovod,
    • 3 replies
    • 5.1k views

  24. Help me find discussions of anthropomorphism

    By Jamiescott,
    • 1 reply
    • 735 views

  25. The physics behind a glockenspiel (a type of xylophone)??

    By cscX,
    • 5 replies
    • 11.2k views
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