Emma Eisner, a 12-year-old with short hair dyed green in parts, has roped off an area around an art project she’s building from cardboard. “Go away, child,” reads a handwritten sign to ward off classmates. At about 10-feet long and 3-feet tall, the white structure looks like it could be a spaceship or maybe an elaborate tunnel. Actually, she says, "It's about how the human quest for knowledge has turned the world inside out.”
