Let There Be Light! From an Electric Pencil, Briefly

by Aaron on August 19, 2007

Did you know you can use a pencil lead and electrical leads connected to a 12 volt battery to make a pretty bright, albeit short-lived source of light? Yeah, me neither. I’m not even sure I can think of a scenario where I would actually need to do something like this, but heck, maybe some dark and stormy night…


Turn A PENCIL Into A LIGHT ! – video powered by Metacafe

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