Using the wiring in his attic rafters, a 14-year-old boy tapped into a signal, amplifying the on-off tones and clicks of Morse Code. His fascination would lead to the invention of FM radio. On this episode of hiSTORY, Glenn tells the inspiring story of the electrical engineer and inventor Edwin Howard Armstrong.

Watch the video below for a sneak peak and answers to these covert questions:

• What is the one thing Glenn regrets he was too frugal to buy?
• What illness kept Armstrong from school for two years?
• What boring choice in entertainment changed the world?