Using Wi-Fi signals to make the invisible visible

For most people, the strength of a Wi-Fi signal is nothing more than a number — an isolated, and entirely utilitarian metric. But for Austrian artist and architect Peter Jellitsch, this data point is part of a larger set of invisible forces silently enveloping us. It’s this invisible, “fragmented space” that Jellitsch strove to capture in his latest work, “Bleecker Street Documents.”