Solar rechargeable battery lanterns
The show is divided into several thematic groupings (energy, simplicity, transportation, health and prosperity, materials) all of which underscore the idea that design, in all its forms, should deliver the maximum social good to the maximum number of people.
A hand-driven grain thresher, now being field-tested in Mali, is made from a bicycle wheel.
A plug-in vehicle called the MIT CityCar is designed for short-term urban use.
(Images: 1. Chester Higgins Jr./The New York Times; 2. Sunlabob Renewable Energy Co. Ltd; 3. Smart Cities Rendering by MIT Media Lab; 4. F. S. Rodriguez-Sanchez)