...as we head south to the TEDx Dirigo conference at Bates College, where we'll be setting up our interactive, spectrum-linked history-of-the-universe installation and meeting hundreds of creative, innovative idea people. The foundation of TED and TEDx gatherings is the notion of "ideas worth sharing." We're looking forward to that sharing, and to talking with folks who keep moving forward even when, as Edison put it, they discover ways that don't work. Those discoveries are valuable too.