First, the procedure to be followed when grinding glass by hand to produce a smoother surface and avoid scratches is described. Second, an experiment conducted to compare the efficiency of a traditional fireplace against the slotlike arrangement design of Cranberg is explained. (GA)

Presented are 26 articles originally published in "Science" during 1975-78. The document is divided into three parts. The first part contains articles on changes in energy use. Included are articles on industrial energy use, energy options and strategies for Western Europe, energy use in Brazil, and solar energy for village development, as well as…

Provides a background biography of coal and its place in our national development. (Author/PEB)

Explains efficiency in terms of thermodynamics, and states specific ways in which energy efficiency can be increased in the following areas: automobiles, industrial processes, and indoor use in the home. (MLH)

Discusses the report from the Club of Rome in relation to the chemical industry and implications for the future regarding energy and pollution problems. (BR)

This module contains readings which explain the need to conserve electricity and describe how major electric energy users (the industrial and commercial groups) use and conserve electricity. The module also contains 10 self-check questions (with answers) and a list of references. Students completing the module should be able to: (1) compare the…