Physics & Math

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  1. wegs

    Infinity

    wegs, May 30, 2019 ... 4 5 6
    Replies:
    110
    Views:
    3,090
    Write4U
    Jul 1, 2019
  2. Jennifer Murphy
    Locked

    How to calculate the expected average rally length in tennis

    Jennifer Murphy, Jun 20, 2019
    Replies:
    3
    Views:
    268
    James R
    Jun 21, 2019
  3. Sam Morden

    Photon Rocket with Magnets?

    Sam Morden, Jun 19, 2019
    Replies:
    4
    Views:
    256
    James R
    Jun 20, 2019
  4. Bob-a-builder

    How would steam pressure move a lid?

    Bob-a-builder, Jun 14, 2019 ... 3 4 5
    Replies:
    82
    Views:
    1,738
    cluelusshusbund
    Jun 19, 2019
  5. Saint

    Is it possible to predict Lottery number accurately based on historical data?

    Saint, Jun 9, 2019 ... 2
    Replies:
    21
    Views:
    1,187
    phyti
    Jun 15, 2019
  6. arfa brane

    Symmetry of the cube

    arfa brane, Jan 22, 2019 ... 11 12 13
    Replies:
    256
    Views:
    8,280
    arfa brane
    Jun 11, 2019
  7. Willem

    Entanglement

    Willem, Apr 19, 2019
    Replies:
    12
    Views:
    608
    Write4U
    Jun 10, 2019
  8. Willem

    Speed of Light

    Willem, May 27, 2019 ... 2 3
    Replies:
    44
    Views:
    1,630
    Willem
    Jun 7, 2019
  9. DaveC426913

    Are playing cards sortable by weight?

    DaveC426913, Jun 1, 2019
    Replies:
    12
    Views:
    401
    DaveC426913
    Jun 4, 2019
  10. Willem
    Locked

    Laser Question

    Willem, May 31, 2019 ... 2
    Replies:
    20
    Views:
    819
    James R
    Jun 4, 2019
  11. PengKuan

    Length-contraction-magnetic-force between arbitrary currents

    PengKuan, May 12, 2017 ... 2 3 4
    Replies:
    69
    Views:
    7,074
    James R
    Jun 4, 2019
  12. Richard777

    Can each dimension of space be represented as a vector?

    Richard777, Jun 2, 2019
    Replies:
    2
    Views:
    278
    QuarkHead
    Jun 3, 2019
  13. Saint

    What is "time"

    Saint, Nov 9, 2014 ... 52 53 54
    Replies:
    1,075
    Views:
    53,944
    Willem
    Jun 3, 2019
  14. Richard777

    Can atomic number be represented as a function of quantum numbers?

    Richard777, May 23, 2019
    Replies:
    2
    Views:
    346
    exchemist
    May 24, 2019
  15. eram

    How would you adapt the laws of physics for two dimensions of time?

    eram, May 15, 2019
    Replies:
    3
    Views:
    261
    James R
    May 16, 2019
  16. Speakpigeon

    Any work today on logic explicitly presented as somehow true of human logic?

    Speakpigeon, May 12, 2019
    Replies:
    1
    Views:
    307
    Beer w/Straw
    May 13, 2019
  17. DaveC426913

    Brain Teaser

    DaveC426913, Apr 18, 2019 ... 2
    Replies:
    34
    Views:
    1,167
    DaveC426913
    May 7, 2019
  18. Willem

    Where is the Disorder

    Willem, Apr 19, 2019 ... 2 3 4
    Replies:
    72
    Views:
    2,057
    exchemist
    May 7, 2019
  19. Willem

    What is a Field?

    Willem, Apr 29, 2019 ... 2 3
    Replies:
    46
    Views:
    1,533
    NotEinstein
    May 2, 2019
  20. Saint

    Direction in outer space

    Saint, Apr 28, 2019 ... 2
    Replies:
    34
    Views:
    720
    RainbowSingularity
    Apr 30, 2019
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