Pinterest • 世界中のおしゃれアイデアまとめ

Homemade Battery! – The DIY “Earth Battery” http://rethinksurvival.com/homemade-battery-the-diy-earth-battery-video/

THE GREATEST HYDROGEN GENERATOR AVAILABLE

This is very clever and the heat transfer should be very good.

Homemade Off The Grid Solar Hot Water Project Homesteading - The Homestead Survival .Com

DIY making a giant thorn fishing hook, another Jon's Bush Craft tutorial.

Gas mask, Pocket Survival guide

How To Make a Solar Powered Radio - There are many practical uses for solar power energy that is portable, particularly when SHTF. Building a DIY solar powered radio is not difficult, and it's an extremely useful item to have on hand in the event of a disaster. And no batteries required!

How to Build a Cartbike - this definitely has potential when the gas runs out and you are relying on your own power to get around.....