This booklet is one of the "Understanding the Atom" Series. Consisting of three sections, it is an account of the development of the first nuclear reactor by a team of scientists led by Enrico Farmi. The first section briefly reviews the early work on nuclear fission and neutron emission, the impact of Einstein's letter to President…

Activities reported herein include studies conducted, contracts, and development group work. Technical notes are presented concerning the design of science laboratories for Asian secondary level schools; it is noted that changed designs for curriculum and new methods of teaching science have necessitated new approaches to the design of science…

This guide discusses the people involved in facility planning and the formulation of program plans. Consideration is given to space requirements, equipment, furniture, and utilities, and to the special needs of different branches of science. A bibliography and planning aids are appended. (RH)

As a result of work performed at the Southwestern Radiological Health Laboratory with respect to lasers, this manual was prepared in response to the increasing use of lasers in high schools and colleges. It is directed primarily toward the high school instructor who may use the text for a short course in laser fundamentals. The definition of the…

Describes a technique for making fairly good quality ocular micrometers at low cost for measuring microscopic specimen size in biology courses. (LS)

Describes a variety of classroom aids and indicates the sources. Included are storage facilities, sound experiments, stop watch, ultraviolet lamp, calculators, animal cages, and others. (RH)

Includes description of a light meter, photometer, fluid flow apparatus, and acoustic grating. (RH)

This product reference guide provides assistance in locating specific types of equipment used in the analysis and control of air, water, and noise pollutants. (CS)

Describes some laboratory apparatus and demonstrations; describes an electronic device to illustrate an octave synthesizer; shows how to get negative changes from an electrophorous; explains a body levers device to clarify the principles of moments and levers; and finally shows how to demonstrate acceleration in simple harmonic motion. (GA)

Describes a few apparatuses and demonstrations for teaching physics under the headings: demonstrating resonance of the inner ear, constructing a potential well-hill for overhead projectors, rubber tube vacuum pump, improvement on the simple homemade motor, air track to demonstrate sailing into the wind, and center of gravity and stability. (GA)

Describes a device for maintaining the proper water level in knife boats during ultramicrotomy. Water levels in troughs are adjusted rapidly and precisely during the cutting process. Illustrations are included. (Author/MA)

Describes the construction of an inexpensive, highly reliable, milli-degree temperature controller and differential thermometer from an extremely stable thermistor and other readily available materials. Actual construction time is relatively short for both devices. Illustrations are included. (Author/MA)

The construction of an operational amplifier for use in a chemical instrumentation course is described. (CP)