Physics & Math

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  1. BenTheMan
    Sticky

    Physics/Math References

    BenTheMan, Nov 12, 2007 ... 2 3
    Replies:
    55
    Views:
    33,607
    kevin78
    Aug 18, 2019 at 4:08 PM
  2. Pete
    Sticky

    Displaying equations using Tex

    Pete, Dec 20, 2006 ... 5 6 7
    Replies:
    125
    Views:
    41,946
    James R
    Jun 23, 2019
  3. Saint

    Is time travel possible based on theory?

    Saint, Jun 9, 2019 ... 3 4 5
    Replies:
    81
    Views:
    1,364
    Write4U
    Aug 20, 2019 at 9:48 PM
  4. wegs

    If there is no energy, does time exist?

    wegs, Jul 6, 2019 ... 8 9 10
    Replies:
    193
    Views:
    2,604
    phyti
    Aug 20, 2019 at 6:05 PM
  5. Mike_Fontenot

    When Does an Observer Become an Inertial Observer?

    Mike_Fontenot, Aug 2, 2019 ... 3 4 5
    Replies:
    99
    Views:
    1,486
    arfa brane
    Aug 18, 2019 at 4:36 AM
  6. PengKuan

    How to test length contraction by experiment?

    PengKuan, Jun 17, 2019 ... 3 4 5
    Replies:
    85
    Views:
    1,591
    PengKuan
    Aug 12, 2019
  7. Orion68

    Theory of Everything

    Orion68, Aug 11, 2019
    Replies:
    8
    Views:
    141
    origin
    Aug 12, 2019
  8. Mark Turner

    What is entropy ?

    Mark Turner, Jul 17, 2019 ... 2 3
    Replies:
    59
    Views:
    1,001
    arfa brane
    Aug 12, 2019
  9. Mike_Fontenot

    A Simple Example, and a Test

    Mike_Fontenot, Aug 4, 2019
    Replies:
    1
    Views:
    142
    phyti
    Aug 6, 2019
  10. Quantum Quack

    What would it take to prove Albert Einstein Wrong?

    Quantum Quack, Jul 23, 2019 ... 7 8 9
    Replies:
    163
    Views:
    2,011
    CptBork
    Aug 5, 2019
  11. Lostinspace

    Is CERN a waste of money ?

    Lostinspace, Jul 5, 2018 ... 5 6 7
    Replies:
    133
    Views:
    4,923
    James R
    Aug 4, 2019
  12. wegs

    Ring sizes by mm

    wegs, Jul 31, 2019
    Replies:
    9
    Views:
    174
    James R
    Aug 4, 2019
  13. Confused2

    Model yachts and gyroscopes

    Confused2, Jul 29, 2019 ... 2 3
    Replies:
    41
    Views:
    572
    Confused2
    Aug 4, 2019
  14. Mark Turner

    Are atoms some sort of cold fusion ?

    Mark Turner, Jul 6, 2019 ... 2
    Replies:
    26
    Views:
    530
    Mark Turner
    Jul 26, 2019
  15. Mark Turner

    Is negative energy possible ?

    Mark Turner, Jul 11, 2019 ... 2
    Replies:
    26
    Views:
    581
    Seattle
    Jul 18, 2019
  16. Mark Turner

    Is heat a product of friction and kE?

    Mark Turner, Jul 14, 2019
    Replies:
    10
    Views:
    270
    Mark Turner
    Jul 15, 2019
  17. geordief

    Virtual Photons

    geordief, Jul 12, 2019
    Replies:
    8
    Views:
    195
    Seattle
    Jul 13, 2019
  18. Mike_Fontenot

    Is Simultaneity "Real"?

    Mike_Fontenot, Jul 7, 2019 ... 2 3
    Replies:
    47
    Views:
    778
    DaveC426913
    Jul 11, 2019
  19. Mark Turner

    Could electromagnetic fields be considered an aether?

    Mark Turner, Jul 9, 2019
    Replies:
    16
    Views:
    280
    James R
    Jul 11, 2019
  20. James R

    SI base units

    James R, Jul 9, 2019
    Replies:
    12
    Views:
    244
    James R
    Jul 10, 2019
  21. mathman

    Unification?

    mathman, Jul 2, 2019
    Replies:
    2
    Views:
    102
    mathman
    Jul 8, 2019
  22. RainbowSingularity

    does gravity travel faster than light ?

    RainbowSingularity, May 28, 2019
    Replies:
    7
    Views:
    361
    TabbyStar
    Jul 8, 2019
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