Physics & Math

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  1. Confused2

    Travelling back down a train - relatively speaking.

    Confused2, Jul 4, 2020
    Replies:
    10
    Views:
    1,162
    Confused2
    Jul 5, 2020
  2. Confused2

    Invariant spacetime and time dilation

    Confused2, Jun 11, 2020 ... 3 4 5
    Replies:
    86
    Views:
    6,859
    phyti
    Jul 19, 2020
  3. river

    Physicists discover tetra-quark

    river, Jul 20, 2020
    Replies:
    0
    Views:
    748
    river
    Jul 20, 2020
  4. Neddy Bate

    Ratios that are invertible, yet remain rational

    Neddy Bate, Aug 4, 2020
    Replies:
    2
    Views:
    781
    Neddy Bate
    Aug 4, 2020
  5. martillo

    "Dark Matter" shouldn't be "Transparent Matter"???

    martillo, Jul 22, 2020
    Replies:
    14
    Views:
    1,409
    RainbowSingularity
    Aug 17, 2020
  6. paddoboy

    Measuring Quantum Fluctuations on the Human scale:

    paddoboy, Jul 14, 2020 ... 2
    Replies:
    20
    Views:
    2,248
    Michael 345
    Aug 20, 2020
  7. Saint

    What mathematics should I know to study quantum mechanics?

    Saint, Mar 12, 2020 ... 2 3
    Replies:
    40
    Views:
    5,237
    arfa brane
    Aug 21, 2020
  8. paddoboy

    Astrophysicists confirm cornerstone of Einstein's Theory of Relativity [again!]

    paddoboy, Jun 11, 2020
    Replies:
    1
    Views:
    1,336
    tomf
    Sep 11, 2020
  9. fess

    Schrödinger's cat

    fess, Jan 30, 2020 ... 5 6 7
    Replies:
    124
    Views:
    12,974
    Write4U
    Sep 12, 2020
  10. Write4U

    The Language of Physics.

    Write4U, Aug 14, 2020 ... 8 9 10
    Replies:
    182
    Views:
    10,207
    arfa brane
    Sep 25, 2020
  11. arfa brane

    Einstein's GR doesn't contradict time travel or CTCs

    arfa brane, Sep 30, 2020
    Replies:
    2
    Views:
    1,007
    arfa brane
    Oct 2, 2020
  12. Saint

    What is quark?

    Saint, May 4, 2020
    Replies:
    13
    Views:
    2,117
    exchemist
    Oct 7, 2020
  13. Beaconator

    Pi question

    Beaconator, Oct 7, 2020
    Replies:
    5
    Views:
    1,054
    DaveC426913
    Oct 7, 2020
  14. Saint

    The fabric of space-time

    Saint, Feb 12, 2020 ... 4 5 6
    Replies:
    100
    Views:
    8,655
    Q-reeus
    Oct 17, 2020
  15. MasterOgon

    Experimental research of flapping flight, unexplored aerodynamics phenomenon and the question of the

    MasterOgon, Oct 18, 2020
    Replies:
    7
    Views:
    931
    MasterOgon
    Oct 18, 2020
  16. Ethernos D Grace

    Wave function

    Ethernos D Grace, Oct 18, 2020
    Replies:
    14
    Views:
    1,223
    exchemist
    Oct 18, 2020
  17. Q-reeus

    Rippling graphene 'harvests thermal energy'

    Q-reeus, Oct 23, 2020
    Replies:
    12
    Views:
    1,285
    Q-reeus
    Oct 27, 2020
  18. Mike_Fontenot

    A Possible Proof that Simultaneity at a Distance is Meaningless

    Mike_Fontenot, Jul 18, 2020
    Replies:
    12
    Views:
    1,961
    Mike_Fontenot
    Oct 27, 2020
  19. Ethernos D Grace

    Guys i think i understand gravity now

    Ethernos D Grace, Oct 18, 2020 ... 2
    Replies:
    22
    Views:
    2,693
    QuarkHead
    Oct 28, 2020
  20. Saint

    Speed of light is constant in a particular medium

    Saint, Nov 1, 2020
    Replies:
    3
    Views:
    1,047
    James R
    Nov 12, 2020
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