Host Mo Rocca shows us the emergency airplane slides for buildings and schools; parking sensors for your older car; the smartest ski boots on the slopes; and, the incredible tenacity it takes to be a successful inventor.

Host Mo Rocca shows us a women's rain boot stylishly keeping shoes dry; the tomato sorter swatting away the green ones; the folding origami hot drink cup with no plastic lid; and, before superstores, there were general stores.