Roll over, icarus, and tell charles Lindbergh the news. Over the summer, a uniquely engineered flying machine made its first transcontinental flight, from San Francisco to New York City, With a wingspan that rivals that of a 747-yet weighing about as much as a Subaru Outback-the HB-SIA required a few layovers to complete its 3,500-mile trip. One thing it didn't require, however: a single drop of fuel.
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