public marks

PUBLIC MARKS from sbrothier with tags energy & diy

2007

The $40 hidden inside a 12V battery | Wise Bread

As the video shows, you simply split them open to reveal EIGHT 1.5V button-cell batteries, each one worth around $5. And as these 12V batteries come in pairs that gives you a grand total of 16 new batteries worth around $80. Not bad for an initial investment of $1.66. Kipkay also goes on to split a 9V battery for use in a battery emergency. You could say these hacks are literally "power to the people." (Sorry, couldn't resist).

2005

"How to make a solar power generator"

by 7 others
Using parts easily available from your local stores, you can make a small solar power generator for $250 to $300. Great for power failures and life outside the power grid. Power your computer, modem, vcr, tv, cameras, lights, or DC appliances anywhere you go.

Ekopedia

by 35 others
L'objectif de cette encyclopédie est de recenser, définir et expliquer les techniques alternatives de vie. Ceci, avec pour but premier de nous permettre de vivre d'une manière plus autonome.