Jeanie Miller discusses the history of sewing machines and how their evolution shaped the foundations of industrialization in sewing and fabric.

In this humorous and critical take on transportation and development, a monorail salesman sells Springfield on voting for the building of a monorail.

Beakman explains that steam has a lot of power behind it and that a man named Hero in Ancient Greece figured out how to use it to make a ball spin. However, it wasn't until the invention of the steam engine that people knew how to use steam. Beakman uses a model to explain how the steam moves the piston back and forth to turn a wheel, which is how steam engine trains work.

This clip illustrates the working conditions in factories and describes how workers were overworked and underpaid. It also explains the tragedy that is the Triangle Shirtwaist Factory fire and the impact it had on America.

Jack sings a song in which he laments his lot as a poor young man in New York City and dreams of a new life in Santa Fe, a place he can reach simply by boarding a train.