يعرض المخترع دين كامين حُجّته من على الدراجة ، ويقدم نظرة خاطفة عن أفكاره الكبيرة المستقبليّة (الطاقة المحمولة وتنقية المياه في البلدان النامية).
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Dean Kamen landed in the limelight with the Segway, but he has been innovating since high school, with more than 150 patents under his belt. Recent projects include portable energy and water purification for the developing world, and a prosthetic arm for maimed soldiers.