Host Mo Rocca shows us the body airbag for motorcycle safety; the sleep/wake system that uses colored light to help you rest; the handheld mini printer that prints with a swipe; and, the history of the telephone.

Host Mo Rocca shows us: the device to quickly teach you how to play the guitar; a drone-less way to take aerial photos; the backpack that displays messages; and, how early tech hacks led to new innovations.