Host Mo Rocca shows us tunnels of sound with directional speakers; how silver thread has put an end to smelly clothes; the first modern copying machine; and, an innovative manual clothes washer.
Released: Jan 01, 1970
Runtime: 00:30:14 minutes
Genre: Documentary, Family, Kids, News
Stars: Mo Rocca, Alie Ward, Adam Yamaguchi, Jax Tranchida