Takes a look at the history of rail transportation, focussing on how it transformed societies from isolated communities which rarely communicated or traded into unified nations.

Explains the mechanics of the first printing press, invented in Germany by Gutenberg in the fifteenth century, and describes the press's revolutionary impact on the world.

Focuses on the childhood and youth of the writer, thinker, and social activist Betty Friedan.

Letters, diaries, memoirs, interviews, ballads, newspaper articles, and speeches depict life and events in the American colonies in the second half of the eighteenth century, with an emphasis on the years of the Revolutionary War.

Briefly explores the life of the famous physicist, who was also a peace activist and fighter for social justice.