How-To: Backyard battery
May 28, 2009
This seems like a fun weekend project with to teach kids about how batteries work in a hands-on fashion. Instructables user egbertfitzwilly has published a how-to for a simple aluminum can, saltwater, and charcoal battery.
This post has been written by Becky Stern on May 27, 2009 09:00 PM couresy of makezine.com.