Sound Tunnels
- Episode aired Feb 17, 2018
- 20m
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 wa... Read allHost 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.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.