Details a method of taking short interval photography with inexpensive equipment. (CP)

Stresses the importance of effective visual aids in physics instructions and the creation of motion pictures through animation. (CP)

Described are some uses of a 35mm single lens reflex camera as a tool for the applied study of ecology. Photography is discussed in relation to field trips, ecosystems, general ecological concepts, pollution, and special projects. (PEB)

Describes a reversal development process which produces black and white positive slides from two Kodak black and white films: Microfile AHU 6552, and High Contrast Copy Film 5069. (MLH)

Describes various methods of rendering visible the paths followed by a laser beam for direct viewing or for photographic purposes. (Author/GS)

Describes a method of making simple transmission gratings by photographing the interference fringes generated by an interferometer. (SL)

Photographs and text describe techniques by which color negative film can be developed and printed. An equipment list, by which black and white printing facilities can be converted to make color prints, is provided. (CP)

Describes duplicating black and white transparencies inexpensively into color, using diazochrome film. (SL)

Describes the Cygnus Loop, one of brightest and most easily studied of the older "remnant nebulae" of supernova outbursts. Discusses some of the historical events surrounding the discovery and measurement of the Cygnus Loop and makes some projections on its future. (TW)

Describes the equipment and procedure necessary for the production of good quality slides or prints from books using a 35mm single lens reflex camera. (GS)

Discussed is the application of photography and photographs in the improvement of learning and intellectual development in the elementary classroom. (SL)

Discusses applications of techniques developed for the remote sensing of infrared radiation. In addition to military applications, remote sensing has become important in collecting environmental data and detecting ecological problems. (JR)