The imaginative folks at MIT's SenseAble City lab have a new project called Flyfire. The idea: Use a bunch of tiny, precision-controlled helicopters as "pixels" to create a 3D canvas in space. Video after the jump.[youtube]http://www.youtube.com/watch?v=CnEN9B18v6QGeoff Manaugh at BLDGBLOG muses about some of the applications: "Emergency streetlights, future TV, avant-garde rural entertainment, and even acts of war." Clearly Flyfire is just an idea at this point, but that's how most innovations start out.