Advocates a simplified procedure for assessing the validity of experimental data. Suggests using the range of the results of a limited number of repeated measurements to obtain confidence limits about the probable over-all average of repeating the same procedure a great many times. Bibliography. (LC)

Describes a course on environmental pollution which stresses physical and chemical principles. Course presents a unified discussion of air and water pollution and solid waste with special treatment of pesticides, thermal pollution, radioactivity, and electric power generation. Uses historical and current statistics extensively to set pollution…

Surveys texts used, enrollment trends, percent of time spent on student chosen topics, grades earned by students, factors involved in determining student grades, opinions of commercial tests, and percent of time spent on various class activities. (DS)

Lists and describes simple and inexpensive equipment for student use for units on electricity, mechanics, and waves and optics. (DS)

Describes an experiment to measure the effect of air resistance on falling balls suitable for use in undergraduate physics courses. (PR)

Reports an investigation of the first jobs of physics graduates in Great Britain. (Editor)