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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.

    33.6k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.9k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.9k
    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

3563 topics in this forum

  1. Hypothesis on travelling with magnets

    By Goldside543,
    • 7 replies
    • 1.1k views

  2. What is physics?

    By richards1,
    • 1 reply
    • 591 views

  3. Tired light (split from Entropy, Energy and the speed of light)

    By DeaneTR,
    • 1 reply
    • 611 views

  4. What does 'emergent' mean in a physics context (split from Information Paradox) 1 2 3 4 7

    By StringJunky,
    • 163 replies
    • 22.3k views

  5. Waves (split from Language development in other Homos)

    By Saber,
    • 21 replies
    • 1.7k views

  6. Nikola tesla said if he imagine an object in his mind, he can see and touth it in real world.

    By PeterBushMan,
    • 3 replies
    • 980 views

  7. Time

    By Osei Assibey,
    • 4 replies
    • 1k views

  8. Carnot engine

    By skulldude,
    • 9 replies
    • 1.9k views

  9. something about action and reaction

    By kenny1999,
    • 16 replies
    • 1.8k views

  10. Shifting light wavelengths with dyes...

    By Externet,
    • 3 replies
    • 721 views

  11. Crystals that multiply the frequency of light passing trough them...

    By Externet,
    • 1 reply
    • 463 views

  12. Definition of particle and black hole

    By JimA,
    • 5 replies
    • 1k views

  13. What Is Physics?

    By Photon Guy,
    • 11 replies
    • 1.5k views

  14. All physics in simplicity

    By Dialogos,
    • 14 replies
    • 2.1k views

  15. NEUTRINOS

    By Vette888,
    • 5 replies
    • 1.2k views

  16. Bouyancy of a contained helium gas ?

    By Externet,
    • 6 replies
    • 1.3k views

  17. Subjective Definition of things in objective reality

    By Harris12,
    • 7 replies
    • 1.5k views

  18. is circular shape the only shape that can converge light?

    By kenny1999,
    • 5 replies
    • 1.2k views

  19. Weather radar...

    By Externet,
    • 2 replies
    • 1.2k views

  20. Can Stern-Gerlach spin alignment be seen as a result of EM radiation of precessing magnetic dipole? 1 2

    By Duda Jarek,
    • 48 replies
    • 5.1k views

  21. Maximum speed of electrons (split from LHC costs money, is it worth it?}

    By lightforyoou,
    • 3 replies
    • 1.2k views

  22. Minimum interval of time (split from The Nature of Time)

    By mistermack,
    • 3 replies
    • 1.2k views

  23. Greetings all, an intro and a question ... .

    By Ben Robberecht,
    • 13 replies
    • 1.6k views

  24. A wave of what? (split from How does the light from distant stars get to our eyes?)

    By Airbrush,
    • 8 replies
    • 1.3k views

  25. Using the "Keep Upright" force of gyroscopes

    By alan2here,
    • 9 replies
    • 5.4k views
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