How We Got to Now

Season 1 Episode 6: Sound

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 today's mobile phones, and the role of the ultrasound in modern medicine.

Genre:

Documentary

Seasons:

1

Episodes:

6

Cast:

Steven Johnson

Quality:

HD

Duration:

60 min

First Air:

2014

Rating:

7.9