<img src="https://spectrum.ieee.org/media-library/a-man-and-a-woman-wearing-dressy-winter-coats-watch-a-crew-of-informally-dressed-men-working-on-the-construction-of-a-wind-turbi.jpg?id=66894045&amp;width=1245&amp;height=700&amp;coordinates=0%2C62%2C0%2C63" /><br /><br /><p><strong>A half century ago, </strong>a scrappy crew at the University of Massachusetts Amherst erected a wind turbine on Orchard Hill, the highest point on campus. It was a frugal production, cobbled together from the rear ax