Category Archives: Safety

Emergency Solar Christmas Lights

It’s Christmas season at the old school, and it is time to do something with those light strands. These days, LED light strands are cheap and ubiquitous. With a bit of judicious modification, we can use them as emergency lights directly off our off-grid battery array, no inverter required.

Pyrolyzer Safety

In the next post, we will show how to build a practical pyrolyzer to turn a pile of wood chips into useful fuel gas. But before we do, this post gives some safety tips for using this or any pyrolyzer. On this site, we show people how to do things for education and entertainment, and […]