The purpose of this project was to construct and test an off-grid photovoltaic (PV) system in which the power from a solar array could be stored in a rechargeable battery and a flywheel motor generator assembly. The mechanical flywheel energy storage system would in turn effectively power a 12-volt DC appliance. The voltage and current of…

A detailed examination of the nature and function of general aviation and a discussion of how the National Aeronautics and Space Administration (NASA) helps keep it on the cutting edge of technology are offered in this publication. The intricacies of aerodynamics, energy, and safety as well as the achievements in aeronautical experimentation are…

The problem is discussed as to whether man's age-old characteristics of selfishness and greed can be sufficiently overcome to avoid any general world war. It is suggested that if people are to come to terms with the problems confronting them, what the schools teach will be of vital importance. (PB)