Arizona PBS Previews

How We Got to Now with Steven Johnson: Sound

Preview | 30s

"Sound" – Discover how innovations in controlling sound have made a difference in our working lives, race relations, health care, and city planning. (Also Fri. 11/14 at 4AM; Sun. 11/16 at 3PM)

Aired: 11/12/14

Expired: 11/26/14

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS Previews is a local public television program presented by Arizona PBS.