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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.

    31.4k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    36k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    26.5k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    28.9k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    46.9k
    posts

3456 topics in this forum

  1. Light in a box (split from Cosmological redshift, thought experiment)

    By Danijel Gorupec,
    • 1 reply
    • 44 views

  2. Keeping items in the refrigerator cool / keeping stuff in the freezer cold

    By ScienceNostalgia101,
    • 1 reply
    • 71 views

  3. Nothing can come from nothing so something always existed! 1 2 3 4

    By martillo,
    • 83 replies
    • 66.8k views

  4. What does 'emergent' mean in a physics context (split from Information Paradox) 1 2 3 4 6

    By StringJunky,
    • 127 replies
    • 2.8k views

  5. What happened to the gadolinium refrigerator ?

    By Externet,
    • 1 reply
    • 242 views

  6. Diffusion model of p-n junction (diode) - conductance prevented by Anderson localization

    By Duda Jarek,
    • 0 replies
    • 175 views

  7. Considering an atom within a rigid body, does the angular momentum of an electron within the atom vary when the body is put in motion?

    By jamesfairclear,
    • 8 replies
    • 257 views

  8. For preventing icy patios, is shoveling BEFORE snow transitions to rain better, or AFTER?

    By ScienceNostalgia101,
    • 3 replies
    • 257 views

  9. Bottle rinsing 1 2

    By Danijel Gorupec,
    • 28 replies
    • 1.2k views

  10. Question about Basics of Gravity

    By tylers100,
    • 11 replies
    • 711 views

  11. "The Year Of '1'-ders" shows that Phy"SIX" began in year "1-SIX-SIX-SIX" when "New-Ton" created his "New" Law of "Ton"?

    By anton2,
    • 4 replies
    • 410 views

  12. How to identify Unknown element?

    By CuriousOnes,
    • 3 replies
    • 387 views

  13. Question: How do photons experience time?

    By At_He_Na,
    • 6 replies
    • 554 views

  14. Harnessing the power of hurricanes 1 2

    By ScienceNostalgia101,
    • 41 replies
    • 3.7k views

  15. Implications of movie physics

    By ScienceNostalgia101,
    • 10 replies
    • 2.3k views

  16. Is Gravity a Force? 1 2 3 4 9

    By Davy_Jones,
    • 206 replies
    • 5.9k views

  17. The Vagueness of Inertial Reference Frames and the Classical Intuition Towards the EEP?

    By The victorious truther,
    • 2 replies
    • 581 views

  18. Will entropy be low much of the time? 1 2

    By Tristan L,
    • 32 replies
    • 29.9k views

  19. Can some one explain this physics on how it works?

    By nec209,
    • 8 replies
    • 1.2k views

  20. Why does light exist as different wavelengths?!

    By FrankNBerry,
    • 17 replies
    • 979 views

  21. Violet Lasers Are The Most Powerful

    By Photon Guy,
    • 12 replies
    • 666 views

  22. Entropy Question

    By tylers100,
    • 7 replies
    • 1.1k views

  23. question movement

    By gamer87,
    • 24 replies
    • 1.2k views

  24. Real similitude and Mathematical junction between Coherent States and the Second Quantization

    By Kartazion,
    • 0 replies
    • 540 views

  25. How come mugs/glasses inverted in the cupboard don't become soaked with dew?

    By ScienceNostalgia101,
    • 2 replies
    • 627 views
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