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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.

    33.5k
    posts

  2. Relativity

    For discussion of problems relating to special and general relativity.

    38.7k
    posts

  3. Quantum Theory

    Quantum physics and related topics.

    27.8k
    posts

  4. Modern and Theoretical Physics

    Atomic structure, nuclear physics, etc.

    30.2k
    posts

  5. Astronomy and Cosmology

    Topics related to observation of space and any related phenomena.

    49.6k
    posts

3561 topics in this forum

  1. Snow diving

    By ScienceNostalgia101,
    • 7 replies
    • 1.4k views

  2. Vertically oscillating helicopter

    By ScienceNostalgia101,
    • 3 replies
    • 1k views

  3. Planck's constant and wave impedance of vacuum

    By SergUpstart,
    • 4 replies
    • 1.1k views

  4. What is the Big Bounce and what evidence and arguments are used to support it? Or counter it.

    By MSC,
    • 9 replies
    • 1.8k views
    • MSC
    • MSC

  5. Rate of temperature change with added load

    By ScienceNostalgia101,
    • 2 replies
    • 932 views

  6. Infra red transfer optimization thread belongs here?

    By nerdnamedclifford,
    • 2 replies
    • 835 views

  7. Christoffel Notation

    By Anchovyforestbane,
    • 3 replies
    • 871 views

  8. An interesting observation with my ceiling fan

    By Inkaddict,
    • 15 replies
    • 3k views

  9. Impeding EM waves (split from Supersonic sub (split from Speed limit on earth))

    By Charles 3781,
    • 3 replies
    • 1.1k views

  10. Supersonic sub (split from Speed limit on earth)

    By Charles 3781,
    • 21 replies
    • 2.9k views

  11. Spring and/or bungee cord behind vehicle?

    By ScienceNostalgia101,
    • 1 reply
    • 1.1k views

  12. Speed limit on earth

    By Curious layman,
    • 20 replies
    • 2.3k views

  13. A question about gravity and tidal energy

    By humility,
    • 13 replies
    • 2.3k views

  14. Breaking The Light Speed Barrier

    By Photon Guy,
    • 4 replies
    • 1.4k views

  15. Cramming

    By nae,
    • 14 replies
    • 2.1k views

  16. Source of All 1 2

    By TimeFlies,
    • 26 replies
    • 37.8k views

  17. What Moiré Excitons in Van der Waals Heterostructures mean in physics?

    By Kartazion,
    • 0 replies
    • 988 views

  18. Why aren't these 1903 and 1904 classic physics papers more mainstream?

    By BillNye123,
    • 24 replies
    • 5.5k views

  19. Question dehumidifier water tank evaporate

    By gamer87,
    • 6 replies
    • 987 views

  20. Infinitely many resistors of infintesimal resistance

    By ScienceNostalgia101,
    • 0 replies
    • 955 views

  21. Thought experiment: how would physics develop without Einstein? 1 2

    By Duda Jarek,
    • 45 replies
    • 76.2k views

  22. How to overlay two soundwave patterns over each other?

    By Curiosity0220,
    • 1 reply
    • 1.2k views

  23. MEMS microphone experiment

    By Curiosity0220,
    • 0 replies
    • 928 views

  24. Fictional physics validity - Radio waves raising temperature?

    By elementcollector1,
    • 1 reply
    • 1.1k views

  25. Wire amp load is given at 1100v but i need for 200v. what is the calculation?

    By q4agl,
    • 12 replies
    • 1.9k views
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