Battery with a can of Coke and a penny

Nice write-up on how to use a couple cans of coke and some pennies to build a battery that you can then light up an LED with.  Could be a fun experiment (and cheap) with kids.

http://www.instructables.com/id/Cola-Can-Battery/

This entry was posted in Cheap, Teaching and Learning, Tinkering. Bookmark the permalink.