In the nineteen-sixties, Jack Nilles, a physicist turned engineer, built long-range communications systems at the U.S. Air Force’s Aerial Reconnaissance Laboratory, near Dayton, Ohio. Later, at nasa, in Houston, he helped design space probes that could send messages back to Earth. In the early nineteen-seventies, as the director for interdisciplinary research at the University of Southern California, he became fascinated by a more terrestrial problem: traffic congestion. Suburban sprawl and cheap gas were combining to create traffic jams; more and more people were commuting into the same city centers. In October, 1973, the opec oil embargo began, and gas prices quadrupled. America’s car-based work culture seemed suddenly unsustainable.

Read more here.