Irreversibility and Fluctuations (C+50)

  C+50+5 Black balls and white balls in a box are shaken.
  C+50+10 Film loop: "Reversibility of time", 3:40 min.
  C+50+15 Film: "Symmetry in physical law" (Feynman), sound, 57 min.
  C+50+20 Film: "Distinction of past and future "(Feynman), sound, 46 min.
  C+50+25 Film: "Probability and uncertainty "(Feynman), sound, 56 min.
  C+50+30 Drum in glycerine rotates to smear line of dye into a plane and back.