Invention Awards: A Fish-Friendly Tidal Turbine

Invention Awards: A Fish-Friendly Tidal Turbine: "W. Scott Anderson spent the past five decades creating complicated machines for manufacturing, including a lipstick labeler and a plastic-straw maker. So when two years ago the 77-year-old industrial engineer invented a fish-friendly underwater turbine that looks like a giant screw, it seemed a cruel twist of fate that every manufacturer he approached said it was too complex to produce economically. But that didn’t stop him."