Science: Plain Tale from Brazil

An "infuriating story" is told in FORTUNE for January: the futile effort of Drury A. McMillen, Yale graduate, engineer and businessman of São Paulo, Brazil, to persuade the U.S. armed forces to adopt a new, simplified system of aviation navigation.

Minutes count in the air. With McMillen's system, much faster than previous methods, only ten minutes is needed to calculate a plane's position, accurate to ten miles, often as close as three.

The system uses a blank globe and four drawing instruments to locate positions graphically. The navigator must "shoot the angle" of two...

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