Pi In The Sky: Synchronized Aircraft Skywrite The Digits In San Francisco

Did you celebrate Pi Day? As part of last fall’s ZERO1 Biennial in Silicon Valley, the artist ISHKY commanded a team of five synchronized aircraft to skywrite the digits of pi in a loop around San Francisco Bay. Flying at 10,000 feet, the fleet puffed out the beloved ratio, dot-matrix style, in numbers spanning a quarter of a mile in height.