Easily my favorite is Dean Kamen's "The emotion behind invention." He has at least two TED talks, this is his longer, more complete one. http://blog.ted.com/2

Easily my favorite is Dean Kamen's "The emotion behind invention." He has at least two TED talks, this is his longer, more complete one. http://blog.ted.com/2010/04/the_emotion_beh.php http://blog.ted.com/2010/04/the_emotion_beh.php