He and Lessley went to work on seeing how many Keatons could appear simultaneously using multiple exposure.
Other cut scenes were experiments of how to show the angel's invisibility/lack of physical form using double exposure.
It was the first movie in Australia to run for ten reels and use double exposure.
He was among the first to use split-screen photography, double exposure, stop-action animation and trick editing.
Special care must be taken when using single exposure carcinogens such as polycyclic aromatic hydrocarbons.
Anyone interested in popular music could use more exposure to this idea.
Flooding uses a technique based on Pavlov's classical conditioning that uses exposure.
(The lag all but disappears if you use manual focus and exposure.)
Souring is a cooking technique that uses exposure to an acid to effect a physical and chemical change in food.
An innovator, she employed special effects, using double exposure masking techniques and even running a film backwards.