Accumulation of sodium azide in copper or lead plumbing can result in the formation of copper or lead azide and an eventual explosion. Presents procedures to dispose of azide wastes. (GS)

REPORTS FROM SEVERAL SCHOOL DISTRICTS ON THE USE OF AND PLANNING OF LANGUAGE LABORATORIES ARE PRESENTED. LABORATORIES SHOULD BE ARRANGED FOR FLEXIBLE USE. THE AVERAGE HIGH SCHOOL STUDENT CAN USE A LAB PROFITABLY FOR 20 TO 25 MINUTES. THERE ARE THREE DIFFERENT TYPES OF LANGUAGE LABORATORIES THAT ARE DESCRIBED. THE SATELLITE LAB IS DIVIDED BY A…

THE MANY POSSIBLE VARIATIONS OF LANGUAGE LABORATORY SYSTEMS WERE DESCRIBED, AND RELATIVE ADVANTAGES AND LIMITATIONS OF EACH WERE DISCUSSED. DETAILED GUIDANCE ON PURCHASING LANGUAGE LABORATORY EQUIPMENT WAS PROVIDED THROUGH (1) DEFINITION OF HIGH-QUALITY SPEECH REPRODUCTION, (2) DISCUSSION OF TECHNICAL FACTORS WHICH AFFECT ITS ACHIEVEMENT, AND (3)…

In order to serve college administrators, architects and physics educators, a collection was made of material reflecting the state-of-the-art of physics building design. This body of material, including drawings, diagrams, and photographs, resulted largely from extensive interviews with about 50 institutions who had recently built such facilities.…

The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

Specifications are presented covering the components of electronic and electro-mechanical equipment, non-electrical materials for the teacher-student positions, and other items of a miscellaneous nature to provide for a complete, workable language laboratory facility. Instructions for the use of specifications are included for the purchaser,…

Illustrates ways to recycle plastic milk jugs into useful laboratory equipment. Among the uses described are storage containers, scoops, funnels, and flower pots. (MA)

Describes four substitutes for asbestos that may be used in science laboratories. (CP)

Discussed are a brief explanation of the function of the vortex tube and some applications for the chemistry laboratory. It is a useful and inexpensive solution to many small-scale laboratory heating and cooling applications. (RH)

Questions and answers from the book "Guidelines for Robotics Program Development" are presented, addressing some of the major issues confronted by the person setting the direction for a robotics training program. (CT)

Describes the hardware, priced at under $600 in 1984, required to adapt an Apple IIe microcomputer for use as a physiograph. Gavlanic skin response (GSR), electromyograph (EMG), skin temperature, and heart rate data can be recorded at user-specified intervals, displayed on a monitor, saved to a disk, and printed on paper. (Author/JDH)

A computer-controlled experimental psychology investigation suitable for use in an undergraduate laboratory is described. The investigation examines the relationship between aesthetic preference and speed of reaction in making choices between colors generated on a video monitor. (Author)

Listed are a number of materials including a spectrophotometer, power meter, vacuum pump, fume hood, cart system, and others. The source of the product and a brief description are given for each. (RH)