Dean Kamen, the inventor of the Segway, is on a mission to solve the world's water crisis. A quirky inventor with a sharp wit and provocative worldview, Kamen takes on the world’s challenges one at a time. The holder of over 440 U.S. and foreign patents, Kamen devotes himself and his inventing to making other people’s lives better. Chronicling the journey of inventing and distributing the SlingShot, a small distiller that can transform any unfit source of water into safe potable water, Kamen works to distribute the machines into villages around the world. With unparalleled access, “SlingShot” is a portrait of a man who just might have enough passion, will, and innovative thinking to create a solution to a crisis that affects millions.