Reviews the past 25 years of electricity consumption in the United States and considers the implications for the near future. Discusses strategies for energy conservation and provides a student activity for measuring and conserving electric power. (Author/JOW)

Discusses systems that power the telecommunications infrastructure. Highlights include power for central telephone company offices; private branch exchange systems; power interruptions and power irregularities; uninterruptible power systems; problems in the systems; and photovoltaic systems. (LRW)

Experts have mixed horseradish root with hydrogen peroxide or calcium peroxide in laboratory studies to get rid of the problem of odors from farm manure. Researchers evaluated how well the system reduced the concentration of volatile fatty acids, indole and skatole, compounds that are also associated with the stink of animal manure.

Provided is an alphabetical list or words and phrases commonly used in the energy industry. Entries range from such general terms as biomass, fossil fuels, and wetlands to such highly specific terms as Arab oil embargo of 1973-74 and Exxon Donor Solvent (EDS) Process. (JN)

Fuel cells have several advantages over conventional ways of producing power. A brief explanation of operating principles, structure, and economic considerations is presented. (PS)

A concept of transportation as purposeful activities and experiences of a manipulative nature is the real key in meeting the objectives of an industrial arts program based on technology. (GR)

Describes the discipline approach as a potential solution to the problem of developing content and method for industrial arts transportation technology. (GR)

A power technology program includes internal combustion engines, units in rocketry, electric motors, and future power sources. (GR)

The continuing controversey over offshore oil/gas has given impetus to searching for domestic energy alternatives. The need for and types of several alternative sources are discussed. Indicates that the United States needs to pursue both offshore and other domestic liquid-fuel sources if it is to avoid becoming increasingly dependent on imports.…

The St. Charles, Illinois, Community School District 303 uses solar energy and has instituted an alternative energy demonstration center. (JM)

New accommodation for school groups at the Centre for Alternative Technology in Wales enables students to estimate the impact of living on the Earth for a week. This article describes how the cabins were built and designed to teach energy decision-making lessons. (LZ)