Early Touch Screen Technology | Tomorrow’s World | Earth Lab

In 1982 Tomorrow’s World looked into early touch screen technology, how it worked and what it could be used for. Subscribe: Best of Earth Lab: Best of BBC Earth: The Doctors Are In The House: Taken from “Tomorrow’s World“ S19 E4 Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you (and further afield too).