Armed with box cutters and glue guns, the artists of the Cardboard Institute of Technology are coming to the Exploratorium to create a cardboard cosmos. Journey through a visionary dreamscape with sites, sounds, and surprises lurking around each bend: From rivers to volcanoes, motels to moonscapes, Sasquatch to Stonehenge—all bets are on at WildCard. Here, cardboard artist Joshua Short explains why cardboard makes the perfect sculptural medium