I published a small item in Popular Science back in 2006 on Ken Murphy's strange little project, Blinkybugs. They were a simple and brilliant little build. Built around a flat battery, their antenna move ever so slightly from a breeze or vibrations and light-up LED eyes. People still comment on the two I've got sitting in my cube.
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.