Woody Norris: Hypersonic sound and other inventions

http://www.ted.com Woody Norris shows off two of his inventions that treat sound in new ways, and talks about his untraditional approach to inventing and education. As he puts it: “Almost nothing has been invented yet.” So — what’s next?
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Watch the Top 10 TEDTalks on TED.com, at http://www.ted.com/index.php/talks/top10