solar
12 Good Gadgets for Hard Times
December 30, 2008 - 8:54pm — matt (not verified)
Wired has an article titled 12 Good Gadgets for Hard Times listing the dozen things that any fallout shelter owner would want to have.
I own a few of these, and whenever I pick them up, I have a sense that, if anything really bad were to happen, at least I would still be able to open cans and listen to AM radio.
Solar-Powered Fire
November 2, 2004 - 5:27am — matt (not verified)Objectives:
1 - Create passive, solar-powered water electrolysis device
2 - Store generated hydrogen in volumes of at least 1 liter
3 - When volume reaches desired threshhold, release gas and ignite with a spark.
