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.

Tom Wujec studies how we share and absorb information. He's an innovative practitioner of business visualization -- using design and technology to help groups solve problems and understand… Full bio and more links