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.
Innovation Nation S4E14 Screenshot
7 0 7 P R O U D L Y P R E S E N T S
TITLE: Innovation.Nation.S04E14.720p.WEB.x264
DATE: Fri 01/24/2020
AUDIO: English
SUBS: SOURCE: WEB