Physics & Math

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  1. BenTheMan
    Sticky

    Physics/Math References

    BenTheMan, Nov 12, 2007 ... 2 3
    Replies:
    55
    Views:
    34,629
    kevin78
    Aug 18, 2019
  2. Pete
    Sticky

    Displaying equations using Tex

    Pete, Dec 20, 2006 ... 5 6 7
    Replies:
    125
    Views:
    43,174
    James R
    Jun 23, 2019
  3. arfa brane

    Mass is an interaction

    arfa brane, Oct 20, 2019 at 10:07 PM
    Replies:
    12
    Views:
    200
    Confused2
    Oct 23, 2019 at 6:15 PM
  4. Saint

    Is time travel possible based on theory?

    Saint, Jun 9, 2019 ... 7 8 9
    Replies:
    178
    Views:
    3,287
    TheFrogger
    Oct 22, 2019 at 9:19 AM
  5. Interstella

    A 3d math question.

    Interstella, Oct 17, 2019 at 10:37 AM
    Replies:
    19
    Views:
    209
    DaveC426913
    Oct 18, 2019 at 3:46 PM
  6. James R

    Interesting numerical games

    James R, Oct 11, 2019
    Replies:
    14
    Views:
    249
    phyti
    Oct 15, 2019
  7. Confused2

    Can you transmit an impulse through free space and does it travel as sinewaves?

    Confused2, Sep 30, 2019
    Replies:
    9
    Views:
    294
    TheFrogger
    Oct 9, 2019
  8. Willem

    Non-square Determinants

    Willem, Oct 2, 2019
    Replies:
    2
    Views:
    171
    Willem
    Oct 3, 2019
  9. arfa brane
    Locked

    Twenty questions with James R

    arfa brane, Oct 2, 2019
    Replies:
    1
    Views:
    159
    James R
    Oct 3, 2019
  10. origin
    Locked

    Are photons energy? What is energy, anyway?

    origin, Aug 19, 2019 ... 20 21 22
    Replies:
    438
    Views:
    5,068
    James R
    Oct 1, 2019
  11. arfa brane

    What propagates in wave motion?

    arfa brane, Aug 31, 2019 ... 2
    Replies:
    24
    Views:
    583
    arfa brane
    Sep 22, 2019
  12. Tailspin

    Does quantum mechanics mean everything is quantised?

    Tailspin, Sep 17, 2019
    Replies:
    13
    Views:
    338
    exchemist
    Sep 21, 2019
  13. PengKuan

    How to test length contraction by experiment?

    PengKuan, Jun 17, 2019 ... 5 6 7
    Replies:
    131
    Views:
    3,433
    phyti
    Sep 19, 2019
  14. TheFrogger

    Staying up.

    TheFrogger, Sep 14, 2019
    Replies:
    1
    Views:
    168
    Jeeves
    Sep 15, 2019
  15. Michael 345

    42 solved

    Michael 345, Sep 9, 2019
    Replies:
    9
    Views:
    319
    TheFrogger
    Sep 12, 2019
  16. Magical Realist

    Rest mass of a photon

    Magical Realist, Aug 30, 2019 ... 2 3 4
    Replies:
    70
    Views:
    1,564
    James R
    Sep 12, 2019
  17. globali

    question for physicists-are all electrons the same?

    globali, Sep 10, 2019
    Replies:
    5
    Views:
    206
    DaveC426913
    Sep 10, 2019
  18. Mike_Fontenot

    When Does an Observer Become an Inertial Observer?

    Mike_Fontenot, Aug 2, 2019 ... 4 5 6
    Replies:
    107
    Views:
    2,716
    QuarkHead
    Sep 5, 2019
  19. arfa brane

    The connection between time and information

    arfa brane, Sep 2, 2019
    Replies:
    4
    Views:
    213
    phyti
    Sep 4, 2019
  20. Quantum Quack

    What would it take to prove Albert Einstein Wrong?

    Quantum Quack, Jul 23, 2019 ... 7 8 9
    Replies:
    164
    Views:
    3,168
    RainbowSingularity
    Aug 24, 2019
  21. Mike_Fontenot
    Locked

    A Simple Example, and a Test

    Mike_Fontenot, Aug 4, 2019
    Replies:
    2
    Views:
    407
    James R
    Aug 23, 2019
  22. wegs

    If there is no energy, does time exist?

    wegs, Jul 6, 2019 ... 8 9 10
    Replies:
    193
    Views:
    3,733
    phyti
    Aug 20, 2019
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