Explains that triglycerides consist of a mixture of different compounds, depending on the total number of fatty acid constituents. Details the method and instrumentation necessary for students to analyze a vegetable oil for its triglyceride content. Describes sample results. (CW)

Discusses the reasons potential claimants in asbestos-in-school cases believe losses and legal expenses are the obligations of insurance carriers. Describes some law suits and matters of concern to property owners, asbestos manufacturers, and those engaged in the construction of buildings, and property-casualty insurance companies. (RT)

Describes the experimental system and equipment including an interface box for displaying variables. Discusses features which make the circuit suitable for teaching and research in computing. Feedforward, decoupling, and adaptive control, examination of digital filtering, and a cascade loop are teaching experiments utilizing this rig. Diagrams and…

Presents the organization of a one-semester graduate course in structural chemistry including lectures and problems. Discusses the coverage of diffraction from real crystals and structure determination. Summarizes experiments on real crystals conducted by students in the X-ray laboratory. (CW)

Describes three flame test demonstrations including "Student-Presented Demonstrations on the Colors of Transition Metal Complexes,""A Flame Test Demonstration Device," and "Vivid Flame Tests." Preparation and procedures are discussed. Included in the first demonstration is an evaluation scheme for grading student…

Describes how interactive programs for scientific modeling may be created by using spreadsheet software such as LOTUS 1-2-3. Lists the advantages of using this method. Discusses fractional distillation, batch partial melting, and combination models as examples. (CW)

Describes how the limitations of the built-in graphics capabilities of spreadsheet software can be overcome by making full use of the flexibility of the grahics options. Uses triangular plots with labeled field boundaries produced using Lotus 1-2-3 to demonstrate these techniques and their use in teaching geology. (CW)

Presents the syllabus for a course which surveys aspects of American economic growth from the end of the 18th century to the early 20th century through the perspectives offered by the discipline of the history of technology. Describes format, readings, evaluation, materials, course organization, and a field trip. (CW)

Describes a strategy for using computer technology to save time when checking the data and calculations of students. Provides information regarding software and hardware used. (YP)

Should a prism be centered to measure the apex angle and refraction index? Concludes that centering the prism is not critical, and that there is an interval for which the prism can be displaced. (YP)

Reports the results of a national survey on teaching introductory physics at the college level. Lists the names of the most frequently used textbooks, reasons for changing textbooks used earlier, information regarding laboratory manuals, and instructor's comments on this type of course. (YP)

Describes the history of the human understanding of polymers from alchemy to modern times. Discusses renaissance chemistry, polymers in the nineteenth century, synthetic elastomers, thermoplastic elastomers, fibers, coatings, adhesives, derivatives of natural rubber, thermosets, step-reaction, and chain polymerization. (CW)

Discusses trends and issues in polymer chemistry. Includes developments in mechanical, thermal, electrical, and optical behavior. Illustrated are some structures and characteristics of polymers. (CW)

Gives an account of a variety of approaches to science, technology and society courses in universities and colleges. Discusses courses which concentrate on a study of the history of biology. (CW)

Describes how a list of the great books of biology was developed. Discusses the insufficiency of textbooks and traditional classroom instruction. Advocates the uses of outside reading and libraries. Focuses on books designed to be read, not studied for information and enjoyment. (CW)