9Instructables952,441Views38Commentsthe worldJoined August 23rd, 2011
E4C’s mission is to improve the lives of underserved communities by better preparing the global development workforce, optimizing the solutions development cycle, and ensuring public health and safety.
- Engineering for Change favorited 70% more solar collection? Newest dripper tracker design to rotate solar panels on equatorial mount. and Tracking the sun! For the solar accumulating Barbecue by gaiatechnician4 years ago
- Engineering for Change favorited Portable Sun Tracking Solar Panel With A Windup Clock Drive and Hot Pot is a great solar cooker, but was designed for the Tropics by shastalore4 years ago
- Engineering for Change favorited Solar parabolic cooker with the mechanical mathematician!, Cone solar cooker with 3 point linkage using old junk from bed and office chair. and DIY 2 bucket dripper tracker for solar cookers and solar panels is cheap and it works! by gaiatechnician5 years ago