Make a crystal cell battery.
Get 1 rod of solid magnesium about 1" in diameter and 1 to 1.5" long. (Check Amazon, Ebay, or your favorite site for odd stuff. I think an electric hot…
Green energy fails again
I like green energy. I have a small solar power system in my home. I use it to charge power banks and tablets, and that's it. In the summer I…