When design flaws fell projects, the cost is often exacted in lives. Why did the Tower of Pisa begin to lean by as much as 17 feet; what caused the first nuclear accident in 1961; what killed three Soyuz 11 cosmonauts aboard the world's first orbiting space station; how did a winter storm destroy the Air Force's Texas Tower Radar Station; and what errors led to NASA's loss of the Mars Climate Orbiter and the Mars Polar Lander?
