Cool NukesThe Professor has always been weird, but an explosion in his backyard laboratory seems to have sent him over the edge. Then he disappearsin bizarre circumstances. Three of his young proteges, Max, Jian Xin, and Cleo, start receiving cryptic messages, which look like plans for a nuclear deviceone which could solve all of mankinds energy problems. The children decide to make the device for the upcoming ExpoFest science fair but if it works, the