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How to build a solar-powered still to purify drinking, I ordered a solar book that had this solar still plan in it. i built it to specifications but even in 100 degree weather, it would only produce about a cup of water a.

How to build a solar-powered lawn mower : treehugger, If you must mow your lawn, this is a good way to keep your carbon footprint in check..

Solar powered bike: how to build a solar powered bike, How to do it even cheaper? walmart and target sell electric bikes starting at us$300. that price includes the bike, motor and battery. if you are considering a bike.

Build a solar-powered, portable wi-fi hotspot - lifehacker, If you'd like to pull down a strong wi-fi signal wherever you are, this simple but effective hack turns a router, a solar panel, and a cigar box into a portable wi-fi.

Build a solar-powered bristlebot - science buddies, Build a bristlebot and compare its speed when using solar or battery power..

Build a solar oven | science project for kids, Capture solar energy (heat) from the sun in this collector box solar oven and use it to cook food! get the complete science project for ages 9 and up now!.