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Gray-B-Gon wind-powered evapotron for graywater disposal
Build a 60 Watt Solar Panel
Solarize your backpack and power all your gizmos
Remove Rust from a Bicycle with Lime Juice
Water Bottle Belt Clip
Make a handheld skating and snowboarding sail !
Solar Powered AC110-120V outlet
How to Make a Skateboard Sail
Burning Man Tips & Tricks #2
DIY Softbox from an umbrella
Speedlite Isopropyl 2000 Diffusor
Speedlite "Grid" (as seen on Strobist Blog)