Physics & Math

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  1. Tailspin

    Does quantum mechanics mean everything is quantised?

    Tailspin, Sep 17, 2019
    Replies:
    13
    Views:
    1,152
    exchemist
    Sep 21, 2019
  2. TheFrogger

    Staying up.

    TheFrogger, Sep 14, 2019
    Replies:
    1
    Views:
    554
    Jeeves
    Sep 15, 2019
  3. Michael 345

    42 solved

    Michael 345, Sep 9, 2019
    Replies:
    9
    Views:
    961
    TheFrogger
    Sep 12, 2019
  4. Magical Realist

    Rest mass of a photon

    Magical Realist, Aug 30, 2019 ... 2 3 4
    Replies:
    70
    Views:
    3,863
    James R
    Sep 12, 2019
  5. globali

    question for physicists-are all electrons the same?

    globali, Sep 10, 2019
    Replies:
    5
    Views:
    581
    DaveC426913
    Sep 10, 2019
  6. Mike_Fontenot

    When Does an Observer Become an Inertial Observer?

    Mike_Fontenot, Aug 2, 2019 ... 4 5 6
    Replies:
    107
    Views:
    6,096
    QuarkHead
    Sep 5, 2019
  7. arfa brane

    The connection between time and information

    arfa brane, Sep 2, 2019
    Replies:
    4
    Views:
    498
    phyti
    Sep 4, 2019
  8. Quantum Quack

    What would it take to prove Albert Einstein Wrong?

    Quantum Quack, Jul 23, 2019 ... 7 8 9
    Replies:
    164
    Views:
    6,694
    RainbowSingularity
    Aug 24, 2019
  9. Mike_Fontenot
    Locked

    A Simple Example, and a Test

    Mike_Fontenot, Aug 4, 2019
    Replies:
    2
    Views:
    733
    James R
    Aug 23, 2019
  10. wegs

    If there is no energy, does time exist?

    wegs, Jul 6, 2019 ... 8 9 10
    Replies:
    193
    Views:
    8,260
    phyti
    Aug 20, 2019
  11. Mark Turner

    What is entropy ?

    Mark Turner, Jul 17, 2019 ... 2 3
    Replies:
    59
    Views:
    2,862
    arfa brane
    Aug 12, 2019
  12. Lostinspace

    Is CERN a waste of money ?

    Lostinspace, Jul 5, 2018 ... 5 6 7
    Replies:
    133
    Views:
    11,342
    James R
    Aug 4, 2019
  13. wegs

    Ring sizes by mm

    wegs, Jul 31, 2019
    Replies:
    9
    Views:
    535
    James R
    Aug 4, 2019
  14. Confused2

    Model yachts and gyroscopes

    Confused2, Jul 29, 2019 ... 2 3
    Replies:
    41
    Views:
    1,870
    Confused2
    Aug 4, 2019
  15. Mark Turner

    Are atoms some sort of cold fusion ?

    Mark Turner, Jul 6, 2019 ... 2
    Replies:
    26
    Views:
    2,543
    Mark Turner
    Jul 26, 2019
  16. Mark Turner

    Is negative energy possible ?

    Mark Turner, Jul 11, 2019 ... 2
    Replies:
    26
    Views:
    1,595
    Seattle
    Jul 18, 2019
  17. Mark Turner

    Is heat a product of friction and kE?

    Mark Turner, Jul 14, 2019
    Replies:
    10
    Views:
    700
    Mark Turner
    Jul 15, 2019
  18. geordief

    Virtual Photons

    geordief, Jul 12, 2019
    Replies:
    8
    Views:
    595
    Seattle
    Jul 13, 2019
  19. Mike_Fontenot

    Is Simultaneity "Real"?

    Mike_Fontenot, Jul 7, 2019 ... 2 3
    Replies:
    47
    Views:
    2,144
    DaveC426913
    Jul 11, 2019
  20. Mark Turner

    Could electromagnetic fields be considered an aether?

    Mark Turner, Jul 9, 2019
    Replies:
    16
    Views:
    711
    James R
    Jul 11, 2019
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