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…
What to do during cold weather power outages
I've lived in Michigan for 50 years. Power outages at all times of the year is just how I grew up. I hope these tips help people. First, there's a…
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…
System cools down 23F without power.
System made from a new material cools an item down about 23 degrees Fahrenheit. Imagine a device that can sit outside under blazing sunlight on a clear day, and without…
Turning CO2 into energy.
A scientist has been working on artificial photosynthesis to generate energy from the CO2 in the air. He based his model on the leaf. Heinz Frei at Department of Energy's…