Purify water...gonna try this at home to see how it works.
Portable Woodburning Stove Can Be Installed in Tents, Teepees, or Small Cabins
100W/200W/300W/400W/500W/1KW Semi Flexible Mono Solar Panel Battery System
DH Knee Pro 2016 | Nukeproof
Lights up the winter, the 2 led version (when they release it) would be enough.
3D Solar Towers Could Generate 20x More Energy Than Flat Panels : TreeHugger
Eco Gadgets: cut your electricity bills with solar, wind power generator
Goal Zero Yeti 400 Solar Generator Kit
Goal Zero Portable Solar Power Unit