I found a great tutorial on the net on how to make a solar cell using a copper sheet and some materials that you can easily find around the house.
The only hi-tech tool you’ll need for this endeavor is a micro-ammeter. The rest are fairly common, like a cooking stove, insulated copper wires, used water bottles, salt, metal cutting tools (or you can just bend the copper plate to shape and remove excess pieces.) and water.
Read the rest of this entry »





