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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.

    33.1k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.4k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.7k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    29.9k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    48.7k
    posts

3543 topics in this forum

  1. Locality in MTW

    By Genady,
    • 0 replies
    • 283 views

  2. Masers instead lasers for nuclear fusion (I asked Bard)

    By Psycho666,
    • 9 replies
    • 642 views

  3. Technology based on extending the range of the Strong Force?

    By Fanghur,
    • 4 replies
    • 574 views

  4. Is CPT symmetry still valid for macroscopic physics? 1 2 3

    By Duda Jarek,
    • 60 replies
    • 3.8k views

  5. Hypothesis on travelling with magnets

    By Goldside543,
    • 7 replies
    • 715 views

  6. What is physics?

    By richards1,
    • 1 reply
    • 309 views

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

    By DeaneTR,
    • 1 reply
    • 380 views

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

    By StringJunky,
    • 163 replies
    • 14.2k views

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

    By Saber,
    • 21 replies
    • 917 views

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

    By PeterBushMan,
    • 3 replies
    • 817 views

  11. Time

    By Osei Assibey,
    • 4 replies
    • 680 views

  12. Carnot engine

    By skulldude,
    • 9 replies
    • 1.6k views

  13. something about action and reaction

    By kenny1999,
    • 16 replies
    • 1.2k views

  14. Shifting light wavelengths with dyes...

    By Externet,
    • 3 replies
    • 533 views

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

    By Externet,
    • 1 reply
    • 318 views

  16. Definition of particle and black hole

    By JimA,
    • 5 replies
    • 665 views

  17. What Is Physics?

    By Photon Guy,
    • 11 replies
    • 1.1k views

  18. All physics in simplicity

    By Dialogos,
    • 14 replies
    • 1.6k views

  19. NEUTRINOS

    By Vette888,
    • 5 replies
    • 919 views

  20. Bouyancy of a contained helium gas ?

    By Externet,
    • 6 replies
    • 893 views

  21. Subjective Definition of things in objective reality

    By Harris12,
    • 7 replies
    • 1.1k views

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

    By kenny1999,
    • 5 replies
    • 1k views

  23. Weather radar...

    By Externet,
    • 2 replies
    • 916 views

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

    By Duda Jarek,
    • 48 replies
    • 3.2k views

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

    By lightforyoou,
    • 3 replies
    • 858 views
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