Physics & Math

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  1. Confused2

    Worries about the DSE and diffraction

    Confused2, Apr 25, 2021
    Replies:
    0
    Views:
    625
    Confused2
    Apr 25, 2021
  2. RJBeery

    Gravity as refraction

    RJBeery, Apr 15, 2021
    Replies:
    11
    Views:
    1,209
    Q-reeus
    Apr 25, 2021
  3. TonyYuan

    An interesting gravitational problem

    TonyYuan, Feb 28, 2021 ... 2 3
    Replies:
    51
    Views:
    3,591
    TonyYuan
    Apr 21, 2021
  4. Saint

    Does time exist?

    Saint, Nov 2, 2020 ... 7 8 9
    Replies:
    170
    Views:
    10,184
    Write4U
    Apr 13, 2021
  5. Q-reeus

    EmDrive crashes and burns

    Q-reeus, Apr 8, 2021
    Replies:
    3
    Views:
    623
    Q-reeus
    Apr 13, 2021
  6. Bob-a-builder

    Magnetron discussion(basis for radar and microwaves)

    Bob-a-builder, Apr 7, 2021
    Replies:
    0
    Views:
    438
    Bob-a-builder
    Apr 7, 2021
  7. ralfcis

    Janus' method for non-linear velocity addition

    ralfcis, Mar 20, 2020 ... 2 3
    Replies:
    41
    Views:
    4,884
    ralfcis
    Mar 29, 2021
  8. Mohat

    What is the smallest conceivable measure of space ?

    Mohat, Mar 22, 2021
    Replies:
    12
    Views:
    1,090
    Mohat
    Mar 24, 2021
  9. Anamitra Palit

    On Vector Subspaces

    Anamitra Palit, Mar 13, 2021
    Replies:
    8
    Views:
    759
    someguy1
    Mar 17, 2021
  10. Anamitra Palit

    Accelerations in Special Relativity

    Anamitra Palit, Mar 6, 2021
    Replies:
    9
    Views:
    657
    Anamitra Palit
    Mar 10, 2021
  11. arfa brane

    What really is a continuous symmetry?

    arfa brane, Oct 27, 2020 ... 3 4 5
    Replies:
    96
    Views:
    7,350
    arfa brane
    Mar 1, 2021
  12. arfa brane

    What is an affine space?

    arfa brane, Dec 5, 2020 ... 2
    Replies:
    21
    Views:
    2,453
    arfa brane
    Mar 1, 2021
  13. QuarkHead

    Fields

    QuarkHead, Feb 22, 2021
    Replies:
    8
    Views:
    558
    arfa brane
    Feb 25, 2021
  14. ralfcis
    Locked

    Relativity and simple algebra

    ralfcis, Jan 29, 2021 ... 2 3
    Replies:
    51
    Views:
    3,288
    James R
    Feb 9, 2021
  15. arfa brane
    Locked

    Trying to understand gauge theories

    arfa brane, Nov 15, 2020 ... 2
    Replies:
    26
    Views:
    2,599
    James R
    Dec 7, 2020
  16. Javier

    One question

    Javier, Apr 7, 2001
    Replies:
    3
    Views:
    3,990
    James R
    Nov 12, 2020
  17. Saint

    Speed of light is constant in a particular medium

    Saint, Nov 1, 2020
    Replies:
    3
    Views:
    1,048
    James R
    Nov 12, 2020
  18. Ethernos D Grace

    Guys i think i understand gravity now

    Ethernos D Grace, Oct 18, 2020 ... 2
    Replies:
    22
    Views:
    2,705
    QuarkHead
    Oct 28, 2020
  19. Mike_Fontenot

    A Possible Proof that Simultaneity at a Distance is Meaningless

    Mike_Fontenot, Jul 18, 2020
    Replies:
    12
    Views:
    1,975
    Mike_Fontenot
    Oct 27, 2020
  20. Q-reeus

    Rippling graphene 'harvests thermal energy'

    Q-reeus, Oct 23, 2020
    Replies:
    12
    Views:
    1,291
    Q-reeus
    Oct 27, 2020
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