By Janet Raloff
During the Vietnam War, Daniel Juhl toiled as a missile-guidance technician. But when he left the service, he says, there wasn’t a lot of call for my training. So, I thought I’d turn my spears into plowshares.
Or, to be more literal, into energy-generating wind turbines. In 1978, Juhl entered the wind-farming industry, helping design and erect small commercial systems for others–first in his home state of Minnesota, then in California, Europe, and China.