By Dave Prochnow
Posted 11.23.2007 at 7:45 am 2 Comments
Do you have a blizzard of Christmas cards carpeting the top of your desk? Convert those cards into a Christmas Card Tower LED Lamp. NOTE: building the paper card tower is easier than the step-by-step instructions make it sound. Just follow the illustrations and as you complete a couple of cards, it should start to make sense.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.