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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.

    31.6k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    36.1k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    26.6k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    29.1k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    47.1k
    posts

3469 topics in this forum

  1. Hardness scales...

    By Externet,
    • 6 replies
    • 164 views

  2. Can Someone Explain Quark Binding Energy?

    By exchemist,
    • 20 replies
    • 310 views

  3. Goggles for laser protection...

    By Externet,
    • 2 replies
    • 118 views

  4. James Webb vs Spitzer

    By Danijel Gorupec,
    • 4 replies
    • 218 views

  5. Heterodyning light ...

    By Externet,
    • 12 replies
    • 329 views

  6. Condensation in chocolate wrappers?

    By Eed,
    • 6 replies
    • 254 views

  7. Basics of electrolysis...

    By Externet,
    • 0 replies
    • 192 views

  8. Refrigeration / cooking and waste heat in winter

    By ScienceNostalgia101,
    • 6 replies
    • 545 views

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

    By ScienceNostalgia101,
    • 2 replies
    • 754 views

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

    By Jalopy,
    • 3 replies
    • 429 views

  11. Rainwater collection, on smaller and larger scales

    By ScienceNostalgia101,
    • 19 replies
    • 649 views

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

    By bobb,
    • 6 replies
    • 425 views

  13. Heat in solar panels...

    By Externet,
    • 2 replies
    • 435 views

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

    By Danijel Gorupec,
    • 1 reply
    • 369 views

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

    By ScienceNostalgia101,
    • 5 replies
    • 582 views

  16. What happened to the gadolinium refrigerator ?

    By Externet,
    • 1 reply
    • 497 views

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

    By Duda Jarek,
    • 0 replies
    • 443 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
    • 518 views

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

    By ScienceNostalgia101,
    • 3 replies
    • 520 views

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

    By StringJunky,
    • 144 replies
    • 4.9k views

  21. Bottle rinsing 1 2

    By Danijel Gorupec,
    • 28 replies
    • 1.7k views

  22. How to identify Unknown element?

    By CuriousOnes,
    • 3 replies
    • 649 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
    • 659 views

  24. Question about Basics of Gravity

    By tylers100,
    • 11 replies
    • 1.1k views

  25. Question: How do photons experience time?

    By At_He_Na,
    • 6 replies
    • 823 views
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