ISSUE – Aug. 21 | Silicon Valley Flocks to Foiling, Racing Above the Bay’s Waves

What happens in the San Francisco Bay every Thursday night does not look real or even possible, and it certainly does not look safe. Dozens of people skim across the waters at speeds of up to 40 miles per hour, kites far ahead and their boards floating two feet above the chop of the waves. They move so smoothly and quietly that some riders are on their cellphones. They call it hydrofoiling — or, if you’re hip to it, foiling. And every week, the foilers of San Francisco race. [ NY Times ]