Inventor
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.
دین کیمن: احساسات در پس یک اختراع
سربازانی که اعضاء بدنشان را در حین خدمت از دست داده اند هر روز درگیر کشمکش هایی هستند که برای اکثر ما غیر قابل تصور است....
