On a recent afternoon, an aerospace engineer working for a small Silicon Valley company called Kitty Hawk piloted a flying car above a scenic lake about 100 miles north of San Francisco.
Kitty Hawk’s flying car, if you insisted on calling it a “car,” looked like something Luke Skywalker would have built out of spare parts. It was an open-seated, 220-pound contraption with room for one person, powered by eight battery-powered propellers that howled as loudly as a speedboat.
The tech industry, as we are often told, is fond of disrupting things, and lately the automakers have been a big