Describes a laboratory technique in which the complexities of normal classroom teaching are simplified. Lessons are reduced to five or fifteen minutes and are used for the practice of one particular teaching skill. Appended are 14 references. (AA)

European travel can provide an intimate view of the implements and locales of great discoveries in physics for the knowledgeable traveler. The four museums at Cambridge, London, Remscheid-Lennep, and Munich display a full range of discovery apparatus in modern physics as outlined here. (Author/TS)

A description of a mathematics laboratory established in a north Philadelphia community where the need for the laboratory could not be met in the school." (Editor/AK)

Suggests a first-order experiment that can be used to establish the Lorentz transformation without considering the constancy of light velocity or the full set of Maxwell's equations. Involves the use of a long solenoid to create an electric field in a moving magnetic field. (LC)

The outlook for educational laboratories is examined. (CK)

Supplies procedure, testing questions, and sample working graph for an activity in testing an operating principle of small gasoline engine. (MU)

Describes several approaches to handling the technical problems that arise in televising science experiments. The article is written in French and includes a short summary in English. (AA)