Do-it-yourselfers have made everything from bamboo bicycles to 3-D printers, but nothing as ambitious as the Open Source Ecology project. On a... Building A Village Starts With Building The Tractor Do ...

Exhibitors and demonstrations will close their booths and shut down machinery at 5 p.m. Tuesday and Wednesday, but the daily events will be far from over. On Tuesday, starting at 5 p.m. the modified ...