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3D Printing Inventor
featuring railroad crossing signals
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.
Original Air Date 2/10/18
Dig Deeper: Railroad Signals
One segment from every episode of The Henry Ford's Innovation Nation features The Henry Ford's own experts, artifacts, and experiences. Learn more about that segment in this week's episode using the links below.