TED Talks

Tom Wujec demos the 13th-century astrolabe

TV-PG
2009 • E196    Nov 20, 2009    12m
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.

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