Traces the discovery that flouridated water is related to less tooth decay, then focuses on research done in 60's indicating malnutrition and kidney disease patients may have bad side effects from flourine. Seems to be anti-flourine, but little mention of public controversy. The changing formations of the earth's surface are discussed in this essay, discriminating between the tectonic or plate processes and the gradational processes which move materials over the earth's surface. Good solid discussion of the Heisenberg uncertainty principle, including the developments leading to it, its physical and philosophical ramifications, and a brief biography of Heisenberg. Coal, oil, gas and hydroelectric sources of energy are looked at, and the amount of resources and their probable consumption rates are considered.
Nuclear power is viewed as an option to consumption of physical resources.
Written before oil embargo. Basic overview of the fact that earthquakes don't kill people, but collapsing and damaged buildings and other structures kill people. Detailed, technical study of the components and uses of lightweight concrete. The commercial production of flourine, and the uses of the chemical in the production of flourochenicals, is looked at in this study. The chemical bonding processes which take place in the formation of these compounds are outlined.