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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.

    38.6k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.8k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    30.1k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    49.5k
    posts

3550 topics in this forum

  1. More questions...

    By Incendia,
    • 13 replies
    • 2.2k views

  2. Centripetal force basic questions

    By scilearner,
    • 7 replies
    • 4.8k views

  3. Terraform Moon With Earths Excess Co2 1 2

    By Cyclonebuster,
    • 36 replies
    • 4.2k views

  4. Humans in CyberSpace (TRON) Thought Possible.

    By ChrisTucker,
    • 0 replies
    • 894 views

  5. Question about colour

    By littleboy,
    • 1 reply
    • 720 views

  6. Could it be? Please try to imagine

    By Simpleton,
    • 5 replies
    • 1.3k views

  7. Silly question but would this be possible in zero gravity?

    By ForeverNoobie,
    • 2 replies
    • 827 views

  8. Building an electromagnet can I use different guage wire together

    By brucewayne3210@yahoo.com,
    • 2 replies
    • 897 views

  9. Physics paper guessing game

    By D H,
    • 2 replies
    • 1.9k views

  10. How does ultrasound generate heat?

    By Green Xenon,
    • 5 replies
    • 1.7k views

  11. Our weight change without Moon?

    By alpha2cen,
    • 4 replies
    • 1.5k views

  12. Is it scientifically possible that the Sun will not rise tomorrow?

    By needimprovement,
    • 5 replies
    • 3.1k views

  13. Earth electron absorption ability

    By Simpleton,
    • 5 replies
    • 2k views

  14. How to measure wave intensity?

    By alpha2cen,
    • 11 replies
    • 3.4k views

  15. Interactions and intersections between force-fields

    By lemur,
    • 16 replies
    • 1.7k views

  16. The most exact 0 degree Celsius?

    By alpha2cen,
    • 17 replies
    • 4.1k views

  17. How energy becomes force

    By lemur,
    • 8 replies
    • 1.3k views

  18. electrostatic repulsion among protons

    By lemur,
    • 2 replies
    • 943 views

  19. What material is best placed under a laptop to reduce heat?

    By charlie10,
    • 14 replies
    • 22.7k views

  20. Why is it assumed the universe has no centre?

    By Incendia,
    • 21 replies
    • 3.3k views

  21. initial state of the universe ?

    By 1123581321,
    • 3 replies
    • 1.2k views

  22. Why does water diffuse?

    By scilearner,
    • 4 replies
    • 5.2k views

  23. Is magnetism inverted materiality?

    By lemur,
    • 5 replies
    • 1.6k views

  24. White light reflection holograms

    By Tom13147,
    • 1 reply
    • 1.4k views

  25. about gas expansion

    By littleboy,
    • 5 replies
    • 1.4k views
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