Learn to use the 13th-century astrolabe
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Tom Wujec |
TEDGlobal 2009
• July 2009
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.