Host Mo Rocca shows us the underwater drone bringing bait to the fish; the inventor of 3D printing; updates on past innovators; and, how railroad signals changed train traffic.
Innovation Nation S4E13 Screenshot
7 0 7 P R O U D L Y P R E S E N T S
TITLE: Innovation.Nation.S04E13.WEB.x264
DATE: Fri 01/24/2020
AUDIO: English
SUBS: SOURCE: WEB