Describes a simplified diffraction experiment offered in a workshop with the purpose of illustrating to high school students the relation of science to society. The radii determined for cigarette smoke particles range from 0.2 to 0.5 micrometer in this experiment. Included is a description of the diffraction theory. (CC)

Describes the conduct of a self-contained course designed for biology, chemistry, and physics majors, particularly liberal arts seniors, with introductory physics and biology or chemistry as its prerequisites. (CC)