The firefighting device that blasts water through walls; the inventors of the car diagnostic module that tells you what needs to be repaired; the inventor of the smart baby bottle that keeps track of an infant's feeding; when cars went from big to compact.

Host Mo Rocca shows us saving homes from floods with an inner tube-like system; the inventor of the PopSockets handle for your phone; the new food made from pond scum; and, when U.S. automakers became wartime plane makers.