(Published in the Washington Post) By Lina Nilsson and Shankar Sastry In labs around the world, a new generation of engineers is emerging. They are men and women concerned by the gulf between rich and poor and by environmental changes and resource depletion. They are what we call “development engineers” — engineers (and often economics, business and social science majors, as well) who are dedicated to using engineering and technology to improve the lot of the world’s poorest people.