Over Richmond, California photo by Kevin Mathieu On the afternoon of September 12, 2012, artist ISHKY, with Stamen Design, launched Pi in the Sky, a project that used skywriting to create quarter-mile tall digits at 10,000 feet over the San Francisco Bay Area. It took a team of five synchronized skywriters “equipped with dot-matrix technology” … Continue reading Pi in the Sky, Skywriters Fill the San Francisco Bay Area Skies With the First 1,000 Digits of Pi