One of the most prodigious American inventors, Ben Franklin is credited for creating things like the lightning rod, the armonica, the Franklin stove, bifocal glasses, and the flexible urinary catheter. In this episode of Modern Marvels, we examine how Dr. Franklin's inventive genius extended to things like Daylight Savings Time and the voluntary fire department.
Genres: Documentary
Keywords: construction , disaster , invention , machine , technology , tv-shows-online , science