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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.

    33k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.3k
    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. Light in a box (split from Cosmological redshift, thought experiment)

    By Danijel Gorupec,
    • 1 reply
    • 731 views

  2. What happened to the gadolinium refrigerator ?

    By Externet,
    • 1 reply
    • 883 views

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

    By Duda Jarek,
    • 0 replies
    • 830 views

  4. 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

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

    By ScienceNostalgia101,
    • 3 replies
    • 916 views

  6. Bottle rinsing 1 2

    By Danijel Gorupec,
    • 28 replies
    • 3k views

  7. "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

  8. How to identify Unknown element?

    By CuriousOnes,
    • 3 replies
    • 1.1k views

  9. Question: How do photons experience time?

    By At_He_Na,
    • 6 replies
    • 1.3k views

  10. Harnessing the power of hurricanes 1 2

    By ScienceNostalgia101,
    • 41 replies
    • 6k views

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

    By Davy_Jones,
    • 206 replies
    • 14.2k views

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

    By The victorious truther,
    • 2 replies
    • 1.3k views

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

    By nec209,
    • 8 replies
    • 2k views

  14. Why does light exist as different wavelengths?!

    By FrankNBerry,
    • 17 replies
    • 2.2k views

  15. Violet Lasers Are The Most Powerful

    By Photon Guy,
    • 12 replies
    • 1.4k views

  16. Entropy Question

    By tylers100,
    • 7 replies
    • 1.7k views

  17. question movement

    By gamer87,
    • 24 replies
    • 2.4k views

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

    By Kartazion,
    • 0 replies
    • 866 views

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

    By ScienceNostalgia101,
    • 2 replies
    • 966 views

  20. Lens focusing light from two different light sources

    By Purplepenguin,
    • 2 replies
    • 999 views

  21. explain this for me.

    By pmull1,
    • 1 reply
    • 869 views

  22. hi i need answer of this question

    By wasizaamm43,
    • 1 reply
    • 1.1k views

  23. Did Albert Einstein come up with his theories all by himself?

    By Alex Mercer,
    • 5 replies
    • 1.6k views

  24. Could Wimshurst electrostatic generator work in vacuum?

    By SergUpstart,
    • 9 replies
    • 1.7k views

  25. Static Equilibrium/Newton's Third Law

    By Nedcim,
    • 2 replies
    • 1.2k views
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