What would happen if we could generate power from our windowpanes? In this moving talk, entrepreneur Justin Hall-Tipping shows the materials that could make that possible, and how questioning our notion of ‘normal’ can lead to extraordinary breakthroughs. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 12:45.)
Watch Justin Hall-Tipping’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1,000+ TEDTalks.