Several LSs of a light aircraft taking off at the Cartierville airport in Quebec. Slow motion LS of a hurdle runner performing against a grid of reference lines in the background. Closer shot, normal speed, of the runner. HEAD ON VIEW of the hurdle runner performing toward the camera. Slow motion LS of a pole vaulter performing. Several shots of the pole vaulter performing at normal speed as seen from various distances. Similar shot of the pole vaulter performing toward the camera. Various shots of javelin throwers performing. Sequence on an experiment with a vibrating steel plate, hands sprinkling powder on the plate, setting the vibrator in motion. Side view of the powder arranging itself along patterns made of lines. Vertical HASs of the same, patterns forming according to the frequency of the vibrations (footage shot at 18 frames per second).