Host Mo Rocca shows us how tragedy inspired a brother to create a new kind of bike helmet; the countertop dishwasher that runs on a gallon of water; the dad and son team who created a computerized power drill; and, the history of plastic and how it changed the world.

Host Mo Rocca shows us the device that can make any light switch or outlet smart; the glass that converts the sun's rays into usable power; the historic concept of a walking office; and, advice from our past innovators.