Tom Wujec demos the 13th century astrolabe

He also wrote a book on the astrolabe.

And what the astrolabe does is it allows us, it affords us, to connect to the night sky, to look up into the night sky and be much more to see the visible and the invisible together.

Rather than demo another new technology, Tom Wujec reaches back to one of our earliest but most ingenious devices the astrolabe. With thousands of uses, from telling time to mapping the night sky, this old tech reminds us that the ancient can be as brilliant as the brand new.