Sound Tunnels S14E14 - Sound Tunnels 2018
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: 2018-02-17
- Runtime: 50 minutes
- Genre:
- Stars: Mo Rocca, Alie Ward, Adam Yamaguchi
- Director: