Amy Smith: Inventor for a planet in need

摘要

It's fine to help the developingrnworld, but first you have to know what it needs. Amy Smith does. An engineer and the founder ofrnMIT's innovative D-Lab, Smith, 47, is a former Peace Corps volunteer who spent parts of her childhoodrnin India and Botswana. She's the creator of a hammer mill that converts grain to flour and an incubator that does not require electricity. Her design, philosophy is elegant: create simple machines that meet particular needs and then build them locally.rnSmith is also a teacher, taking kids to Haiti and Africa, where they design pumps, bicycle parts and other gear people need.