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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.

    33.5k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.8k
    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

3561 topics in this forum

  1. highest relative permeability at 12T

    By ElectroMichel,
    • 0 replies
    • 744 views

  2. A brake for a space ship?

    By wayne_m,
    • 11 replies
    • 1.8k views

  3. High speed in Space?

    By Novaflipps,
    • 4 replies
    • 1.1k views

  4. Saving soldier's lives with soundwaves & high tech

    By CuriousMe,
    • 6 replies
    • 1.2k views

  5. Are all things within the universe mostly made of mass or energy?

    By Jeff1954,
    • 6 replies
    • 1.3k views

  6. Can an electric current strengthen a magnetic field?

    By moonknight,
    • 9 replies
    • 2.5k views

  7. Questions

    By Cephalopod,
    • 4 replies
    • 1.7k views

  8. Is Quantum Fluctuations has a Cause? 1 2

    By Randolpin,
    • 26 replies
    • 4.5k views

  9. This world`s frequency

    By Mr. Kari Kaila,
    • 6 replies
    • 1.6k views

  10. FTL Travel

    By Dovahkiin789,
    • 18 replies
    • 3k views

  11. Quantisation of light and doppler effect

    By Vee,
    • 5 replies
    • 1.2k views

  12. What evidence is there for life after death? 1 2

    By seriously disabled,
    • 32 replies
    • 10.3k views

  13. question re Einsteins theory of relativity

    By nicktallguy,
    • 6 replies
    • 1.4k views

  14. Floating land mass

    By fredreload,
    • 14 replies
    • 3.3k views

  15. As a human being, did we distort space?

    By Randolpin,
    • 5 replies
    • 1.3k views

  16. The problem of nebular theory

    By Randolpin,
    • 1 reply
    • 2.8k views

  17. Falling ''into'' a black hole 1 2

    By Lord Antares,
    • 28 replies
    • 3.6k views

  18. The Arrow of time and time-master control conclusion question

    By Randolpin,
    • 3 replies
    • 1.2k views

  19. Orbiting debris cleanup...

    By Externet,
    • 0 replies
    • 1.4k views

  20. Gravitational Waves

    By Crimson Griffin,
    • 3 replies
    • 1.2k views

  21. angular and linear magnification

    By Ankit Gupta,
    • 8 replies
    • 19k views

  22. Binary System graph problem

    By stella.physics,
    • 0 replies
    • 925 views

  23. Question about the Space Around Us

    By Randolpin,
    • 10 replies
    • 2.3k views

  24. Is time a real thing or just a meter? 1 2 3 4 6

    By Randolpin,
    • 141 replies
    • 15k views

  25. What is the Basis for a Non-symmetrical Universe?

    By TakenItSeriously,
    • 17 replies
    • 2.4k views
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