This article illustrates how the overhead projector can be used as a light source in some peculiar ways for physics demonstrations. Five examples are included: (1) Study of chromatic aberration; (2) Making giant Newton's rings; (3) Comparison of the rate of heat absorption by different surfaces; (4) Demonstration of greenhouse effect; and (5)…

Lots of things have changed since the baby boomers began overfilling postwar schoolhouses in the 1950s. The sparkling new buildings erected across the United States to handle the population surge have lost their luster, and in many cases, their functionality. This is not new information; in a 1995 General Accounting Office report, nearly half of…

Author explains that neither videotape nor Super 8 will replace 16 mm, but rather supplement its use as a standard audio-visual training, information and entertainment tool. (Author/HB)

A criteria for evaluating equipment for instructional media is presented. (HB)

How rear projection can enhance the use of slide projectors in the classroom. (HB)

An audiovisual consultant takes a critical look at current practices and shows ways to save money. (Author/MLF)

Suggestions on how to manage an equipment loan program. (HB)

Although there have been great developments in motion picture technology, such as super 8mm film, magnetic sound, low cost color film, simpler projectors and movie cameras, and cartridge-loading projectors, there is still only limited use of audiovisual materials in the classroom today. This paper suggests some of the possible reasons for the lack…

Suggests techniques for selecting super 8 and 16mm movie projectors for various training and communication needs. Charts list various characteristics for 17 models of 8mm projectors with built-in screen, 7 models without screen, and 33 models of 16mm projectors. (WL)

A precriptive article on common audiovisual equipment malfunctions. (HB)

A discussion paper listing proposed standards for 8MM film in education. (HB)

Introduces the computer projection panel, highlights the advantages and disadvantages of using it in the classroom, and suggests an integrative strategy for purchasing projection equipment. (Author)