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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. Hardness scales...

    By Externet,
    • 6 replies
    • 1.1k views

  2. Can Someone Explain Quark Binding Energy?

    By exchemist,
    • 20 replies
    • 2.2k views

  3. Goggles for laser protection...

    By Externet,
    • 2 replies
    • 792 views

  4. James Webb vs Spitzer

    By Danijel Gorupec,
    • 4 replies
    • 3.8k views

  5. Heterodyning light ...

    By Externet,
    • 12 replies
    • 1.4k views

  6. Condensation in chocolate wrappers?

    By Eed,
    • 6 replies
    • 944 views

  7. Basics of electrolysis...

    By Externet,
    • 0 replies
    • 826 views

  8. Refrigeration / cooking and waste heat in winter

    By ScienceNostalgia101,
    • 6 replies
    • 1.5k views

  9. Tradeoffs between photovoltaics and thermal!solar, as solar power goes.

    By ScienceNostalgia101,
    • 2 replies
    • 9.8k views

  10. Travelling faster than the speed of light would mean entering a parallel universe?

    By Jalopy,
    • 3 replies
    • 977 views

  11. Rainwater collection, on smaller and larger scales

    By ScienceNostalgia101,
    • 19 replies
    • 1.9k views

  12. Does a 4TeV particle at LHC weight more?

    By bobb,
    • 6 replies
    • 1.1k views

  13. Heat in solar panels...

    By Externet,
    • 2 replies
    • 1k views

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

    By Danijel Gorupec,
    • 1 reply
    • 736 views

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

    By ScienceNostalgia101,
    • 5 replies
    • 1.2k views

  16. What happened to the gadolinium refrigerator ?

    By Externet,
    • 1 reply
    • 891 views

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

    By Duda Jarek,
    • 0 replies
    • 837 views

  18. 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
    • 1.2k views

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

    By ScienceNostalgia101,
    • 3 replies
    • 920 views

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

    By StringJunky,
    • 163 replies
    • 14.3k views

  21. Bottle rinsing 1 2

    By Danijel Gorupec,
    • 28 replies
    • 3k views

  22. How to identify Unknown element?

    By CuriousOnes,
    • 3 replies
    • 1.1k views

  23. "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
    • 1k views

  24. Question about Basics of Gravity 1 2 3 4

    By tylers100,
    • 97 replies
    • 8.6k views

  25. Question: How do photons experience time?

    By At_He_Na,
    • 6 replies
    • 1.3k views
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