Science, Health, and Food Blog

There are a couple micro-hydro power generators on Ebay. These are not full kits, you will need to hook up a USB charger board to it to limi...

(This is from 2012 but it's still interesting to see if this technology became a product.) With incandescent bulbs, only 10% of the en...

Usually 2 separate units are used to generate and store energy. 1. Something to generate the energy, like solar, coal, gas, etc. 2. A batter...

This cell is no more than 1mm thick and about 2x2 inches. It generates 6vdc. I'd like to figure out how to make one to test how many amp...

This post is about various types of DIY wind power, from small systems for the very beginner, to more advanced systems. I'm trying to fi...

If you can make something rotate, you can convert that to power using a DC motor. But using water power has some caveats. What will happen i...