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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.

    33.4k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.7k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.8k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    30.2k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    49.6k
    posts

3555 topics in this forum

  1. Speaker equations

    By Velikikreten,
    • 12 replies
    • 3.6k views

  2. Microwave oven - A WTF experience

    By Gilded,
    • 5 replies
    • 3.8k views

  3. Dynamics of Firearms Operation

    By imp,
    • 1 reply
    • 910 views

  4. Metal attracted to only electric magnets?

    By markcards,
    • 20 replies
    • 2.4k views

  5. Refractive index

    By immortal,
    • 3 replies
    • 1.2k views

  6. The Amazing Shattering Stovetop!

    By jpaps,
    • 5 replies
    • 1.2k views

  7. Omg There Gonna Destroy The World!

    By Yazu,
    • 12 replies
    • 1.5k views

  8. Why does light move slower in a medium?

    By Vis Viva,
    • 14 replies
    • 2.2k views

  9. Can Space Move?

    By Luminal,
    • 2 replies
    • 1.3k views

  10. Is there any theory that characterizes light as something other than a particle?

    By Realitycheck,
    • 2 replies
    • 838 views

  11. Filters, lights, colors?

    By markcards,
    • 12 replies
    • 1.5k views

  12. NPN and PNP transistors

    By jeheron,
    • 3 replies
    • 1.3k views

  13. solid state physics

    By waqikhan,
    • 1 reply
    • 745 views

  14. Are two gravitational constants better than one?

    By mamakosj,
    • 10 replies
    • 1.7k views

  15. Light and reflective objects

    By Gypsy Cake,
    • 9 replies
    • 1.5k views

  16. Bonding and Energy

    By foodchain,
    • 1 reply
    • 749 views

  17. light polarization: what is it?

    By gib65,
    • 6 replies
    • 1.3k views

  18. Waves and "hellp".

    By Anagram,
    • 3 replies
    • 1k views

  19. Matter and Systems.

    By foodchain,
    • 2 replies
    • 1k views

  20. n-type versus p-type

    By jeheron,
    • 5 replies
    • 1.5k views

  21. Energy to heat

    By gonelli,
    • 6 replies
    • 1.5k views

  22. What is Retarding Voltage?

    By jeheron,
    • 2 replies
    • 12.6k views

  23. metal with memory car? auto-recovers after car crash?

    By alan2here,
    • 1 reply
    • 947 views

  24. EM radiation

    By jeheron,
    • 6 replies
    • 1.3k views

  25. Electric Field Question

    By jeheron,
    • 2 replies
    • 1.1k views
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