Playing Saul Griffith: Hardware solutions to everyday problems

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Saul Griffith offers a glimpse into the future with this compelling overview of his works-in-progress and materials-in-progress. The award-winning inventor shares the inspiration (a droplet of water) behind his low-cost prescription lenses, produced by a machine the size of an inkjet printer. Other projects include Howtoons and Instructables (comics that show how to build things and understand things), "smart" rope that can tell how much it's carrying, and a house-sized kite for towing boats.