How We Got to Now

With no natural light, submarines re-invent the workday. Frustrated with hundreds of local time zones, a railroad clerk fights to standardize time. Navigation, travel, and technology advances result from unrecognized contributions to time.

The pioneers of light; Edisons light bulb; a French scientist accidentally discovers a neon light.

30,000 year old traces of a desire to record sound are located in caves, how radio influenced the civil rights movement, the weapon that laid the ground work for todays mobile phones, and the role of the ultrasound in modern medicine.