The various means that exist or have been suggested for generating energy; comparison in terms of efficiency, safety, and effects on the environment.

Study of the production, transmission, and perception of the special kind of sound called music, based on the application of elementary principles of physics.

A qualitative survey of all of physics, from falling bodies to quarks, making heavy use of classroom demonstrations.

Study of a variety of ideas treated very seriously by the communications media but having no basis in fact, including astrology, extrasensory perception, and flying saucers; why such areas are not part of science.