Physics & Math

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  1. Reiku

    Trying to Understand the Hodge Star

    Reiku, Dec 7, 2011 ... 6 7 8
    Replies:
    141
    Views:
    16,758
    funkstar
    Dec 22, 2011
  2. Q-reeus

    Linear momentum conservation puzzle

    Q-reeus, Nov 13, 2016 ... 8 9 10
    Replies:
    196
    Views:
    16,721
    Q-reeus
    Oct 13, 2021
  3. martillo

    The death of "Modern Physics". Prepair it's funeral!

    martillo, Aug 11, 2005 ... 20 21 22
    Replies:
    430
    Views:
    16,692
    martillo
    Sep 8, 2005
  4. pluto2

    Does mathematics really exist in nature or is math just a human construct?

    pluto2, Dec 2, 2015 ... 13 14 15
    Replies:
    299
    Views:
    16,666
    sweetpea
    Jan 29, 2016
  5. quantum_wave

    Cold fusion device in production

    quantum_wave, Apr 26, 2011 ... 6 7 8
    Replies:
    154
    Views:
    16,587
    kwhilborn
    Sep 17, 2011
  6. arfa brane
    Locked

    Fundamental confusions of calculus

    arfa brane, Feb 11, 2012 ... 10 11 12
    Replies:
    230
    Views:
    16,553
    AlphaNumeric
    Feb 15, 2012
  7. Arlich Vomalites

    do the particles ever collide in QED

    Arlich Vomalites, Jan 15, 2015 ... 10 11 12
    Replies:
    239
    Views:
    16,504
    QuarkHead
    Feb 7, 2015
  8. drumbeat

    Does light travel forever?

    drumbeat, Mar 28, 2011 ... 3 4 5
    Replies:
    93
    Views:
    16,485
    Magneto_1
    Apr 12, 2011
  9. RJBeery
    Locked

    [bi|sur|in]jective coordinates

    RJBeery, Sep 29, 2010 ... 8 9 10
    Replies:
    196
    Views:
    16,476
    AlphaNumeric
    Oct 18, 2010
  10. quantum_wave

    Gravity's mechanism

    quantum_wave, Feb 4, 2013 ... 5 6 7
    Replies:
    122
    Views:
    16,341
    eram
    Jun 1, 2013
  11. joepistole
    Locked

    Anti-Dark Matter

    joepistole, Nov 18, 2012 ... 3 4 5
    Replies:
    91
    Views:
    16,233
    prometheus
    Dec 13, 2012
  12. Dinosaur

    Star Trek transporter: Possible?

    Dinosaur, May 14, 2002 ... 2 3 4
    Replies:
    67
    Views:
    16,165
    AlphaNumeric
    Nov 14, 2011
  13. conscienta

    The Twin (Earth) Paradox

    conscienta, Mar 23, 2012 ... 16 17 18
    Replies:
    343
    Views:
    16,133
    conscienta
    Apr 5, 2012
  14. Boris2

    Physics of a Merry-go-round

    Boris2, Apr 19, 2013 ... 8 9 10
    Replies:
    181
    Views:
    16,089
    eram
    Apr 30, 2013
  15. eram

    Would an inverse-cube law obey Newton's shell theorem?

    eram, Mar 15, 2013 ... 10 11 12
    Replies:
    226
    Views:
    15,949
    eram
    Apr 3, 2013
  16. renislaj

    Relativity paradox

    renislaj, Apr 18, 2013 ... 13 14 15
    Replies:
    297
    Views:
    15,889
    Motor Daddy
    Apr 25, 2013
  17. cb767

    How Do Power Inverters Work?

    cb767, Aug 21, 2005 ... 2 3 4
    Replies:
    62
    Views:
    15,547
    Pronatalist
    May 14, 2007
  18. James R

    Science and Pseudoscience - A Primer

    James R, Mar 17, 2003 ... 3 4 5
    Replies:
    87
    Views:
    15,513
    James R
    Jun 23, 2007
  19. Journey0820

    Problem with Schrodinger's Cat

    Journey0820, Jul 7, 2007 ... 2 3 4
    Replies:
    71
    Views:
    15,336
    birch
    Aug 20, 2017
  20. origin
    Locked

    Are photons energy? What is energy, anyway?

    origin, Aug 19, 2019 ... 20 21 22
    Replies:
    438
    Views:
    15,326
    James R
    Oct 1, 2019
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