Analyzes the dangers of lasers in a classroom situation to formulate safety standards which are contrasted with federal regulations. Suggests that every laser user should check with the safety precautions to reduce the probability of producing a burn per student contact to extremely low levels. (CC)

Discusses the preparation and implementation of a study project designed by Lexington High School students to observe the 1972 eclipse at Prince Edward Island, Canada. Included are two graphs showing the respective time dependence of shadow-band amplitudes and solar magnitudes. (CC)

Summarizes responses to a survey conducted for the purpose of assessing the potential market for improvements in instruction in technical physics courses. (CC)

Discusses the nature of virtual images and how they can be plotted and used to reveal important relationships between objects and their mirror reflections. Describes some applications of virtual images in the theater and classroom. (JR)

Summarizes practical projects, science activities, and teaching aids usable in teaching of the astronomy section of physics courses at the pre-O, O and A-level stages. Indicates that the teacher interest is the decisive factor influencing introduction of astronomy into schools. (CC)

Analyzes the role of experiments in science teaching, and applies this analysis to the teaching of Millikan's experiment in physics. Critically examines an article written by T. J. Harvey entitled Millikan made easy'' which was previously published in The School Science Review. (JR)