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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.

    38.8k
    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

3562 topics in this forum

  1. What is physics?

    By richards1,
    • 1 reply
    • 572 views

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

    By DeaneTR,
    • 1 reply
    • 593 views

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

    By StringJunky,
    • 163 replies
    • 18.8k views

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

    By Saber,
    • 21 replies
    • 1.6k views

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

    By PeterBushMan,
    • 3 replies
    • 960 views

  6. Time

    By Osei Assibey,
    • 4 replies
    • 983 views

  7. Carnot engine

    By skulldude,
    • 9 replies
    • 1.8k views

  8. something about action and reaction

    By kenny1999,
    • 16 replies
    • 1.7k views

  9. Shifting light wavelengths with dyes...

    By Externet,
    • 3 replies
    • 695 views

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

    By Externet,
    • 1 reply
    • 440 views

  11. Definition of particle and black hole

    By JimA,
    • 5 replies
    • 977 views

  12. What Is Physics?

    By Photon Guy,
    • 11 replies
    • 1.5k views

  13. All physics in simplicity

    By Dialogos,
    • 14 replies
    • 2k views

  14. NEUTRINOS

    By Vette888,
    • 5 replies
    • 1.1k views

  15. Bouyancy of a contained helium gas ?

    By Externet,
    • 6 replies
    • 1.3k views

  16. Subjective Definition of things in objective reality

    By Harris12,
    • 7 replies
    • 1.5k views

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

    By kenny1999,
    • 5 replies
    • 1.2k views

  18. Weather radar...

    By Externet,
    • 2 replies
    • 1.1k views

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

    By Duda Jarek,
    • 48 replies
    • 4.7k views

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

    By lightforyoou,
    • 3 replies
    • 1.2k views

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

    By mistermack,
    • 3 replies
    • 1.1k views

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

    By Ben Robberecht,
    • 13 replies
    • 1.5k views

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

    By Airbrush,
    • 8 replies
    • 1.3k views

  24. Using the "Keep Upright" force of gyroscopes

    By alan2here,
    • 9 replies
    • 5.3k views

  25. Pressure Through This Spinning Wing VAWT Rotor

    By Ahmad Al-Masri,
    • 1 reply
    • 937 views
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