Physics & Math

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  1. Fredrik

    Photon?

    Fredrik, Jan 2, 2015 ... 18 19 20
    Replies:
    385
    Views:
    18,020
    Farsight
    Jan 20, 2015
  2. curious45

    John T. Nordberg's theory...

    curious45, Mar 21, 2013 ... 9 10 11
    Replies:
    213
    Views:
    18,016
    paddoboy
    Nov 21, 2016
  3. science man

    What are the different types of physics?

    science man, Oct 25, 2009
    Replies:
    7
    Views:
    17,988
    Dywyddyr
    Oct 26, 2009
  4. alyosha

    How to prove it? (apostol)

    alyosha, Jun 14, 2006 ... 11 12 13
    Replies:
    259
    Views:
    17,929
    alyosha
    Feb 15, 2007
  5. kingwinner

    Math: Proof of triangle inequality

    kingwinner, Sep 14, 2006
    Replies:
    5
    Views:
    17,881
    quadraphonics
    Sep 15, 2006
  6. razz
    Locked

    What is "Time" made of?

    razz, Dec 25, 2001 ... 4 5 6
    Replies:
    113
    Views:
    17,770
    prometheus
    Feb 20, 2012
  7. The God

    Photon Propagation : Straightline or Helix ?

    The God, May 12, 2016 ... 12 13 14
    Replies:
    267
    Views:
    17,732
    paddoboy
    May 30, 2016
  8. TruthSeeker
    Locked

    How Many Numbers There Are Between 0 and 1?

    TruthSeeker, Jun 4, 2004 ... 2
    Replies:
    20
    Views:
    17,631
    AlphaNumeric
    Apr 18, 2012
  9. Harmony

    Pauli Exclusion Principle

    Harmony, Dec 27, 2011 ... 7 8 9
    Replies:
    173
    Views:
    17,629
    Captain Kremmen
    Mar 11, 2012
  10. James R

    What is a reference frame?

    James R, Oct 13, 2004 ... 15 16 17
    Replies:
    329
    Views:
    17,543
    MacM
    Feb 6, 2005
  11. cjard

    R0 and virus spread math in the film Contagion..

    cjard, Feb 1, 2012
    Replies:
    5
    Views:
    17,488
    eram
    May 16, 2013
  12. GodLied

    Drawing a square, pentagon, decagon, 20 sided regular polygon

    GodLied, Aug 7, 2003
    Replies:
    15
    Views:
    17,382
    dpwe
    Dec 30, 2009
  13. pluto2

    Why isn't it possible to prove a negative?

    pluto2, Nov 25, 2008
    Replies:
    16
    Views:
    17,332
    kurros
    Aug 20, 2009
  14. Joeblow93132

    Electrostatic Pulse Engine

    Joeblow93132, Jan 5, 2002 ... 5 6 7
    Replies:
    135
    Views:
    17,274
    DRZion
    Jul 14, 2011
  15. MacM

    GPS and Relativity

    MacM, Nov 16, 2004 ... 9 10 11
    Replies:
    211
    Views:
    17,228
    MacM
    Dec 11, 2004
  16. ash64449

    E=mc2 is incomplete!!

    ash64449, Mar 24, 2013
    Replies:
    7
    Views:
    17,213
    FOUR
    Nov 12, 2015
  17. MacM

    Relativity of Simultaneity Gendankin

    MacM, Feb 3, 2006 ... 16 17 18
    Replies:
    345
    Views:
    17,140
    2inquisitive
    Feb 28, 2006
  18. Farsight

    Lattices and Lorentz invariance

    Farsight, Oct 22, 2011 ... 9 10 11
    Replies:
    204
    Views:
    17,121
    Farsight
    Dec 10, 2011
  19. Believer99

    Why are magnets debunked when talked as a source of energy?

    Believer99, Feb 23, 2013 ... 9 10 11
    Replies:
    205
    Views:
    16,937
    eram
    Mar 12, 2013
  20. James R

    Destructive interference - where does the energy go?

    James R, May 11, 2011 ... 4 5 6
    Replies:
    117
    Views:
    16,924
    temur
    Jun 1, 2011
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