* Founder and President of DEKA Research and Development, Manchester, New Hampshire
Dr. D. David Dershaw
* Director of Breast Imaging at the Memorial Sloan-Kettering Cancer Center, New York, New York
You may have been amazed — or amused — by the recent unveiling of the much-hyped Segway transportation device, but inventor Dean Kamen has done much more than that. He's created an array of medical devices: a wheelchair that goes up and down stairs and a technology education program for kids. In this hour, host Ira Flatow talks with Dean Kamen about inventions, inventing, and science and technology education. Plus, are doctors changing their views on mammography?