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Why pi?

7 lectures, 2 hr 4 min in all

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  1. 1
    Why colliding blocks compute pi

    26 min

  2. 2
    Why is pi here? And why is it squared? A geometric answer to the Basel problem

    17 min

  3. 3
    Pi hiding in prime regularities

    30 min

  4. 4
    The most unexpected answer to a counting puzzle

    5 min

  5. 5
    How colliding blocks act like a beam of light...to compute pi.

    15 min

  6. 6
    How pi was almost 6.283185...

    6 min

  7. 7
    The Wallis product for pi, proved geometrically

    25 min