This report presents the Energy Research and Development Administration (ERDA) program plan for solar heating and cooling of buildings and for agricultural and industrial process applications. An overview of the program plan is followed by a description of the ten paths to the solar heating and cooling of buildings and a brief discussion of the…

A fundamental worldwide trend of the past few decades has been the remarkable expansion of national systems of formal education. Two competing theories have been adduced to explain how this expansion affects patterns of equality of educational opportunity. The thesis of industrialization holds that educational expansion tends to increase equality…