Precision guided weapons are usually the purview of larger weapons platforms, like naval vessels, combat aircraft, or assault vehicles. But a couple of Sandia National Labs engineers are bringing the guided munition down from the mountaintop and putting it into the hands of the average infantryman. The engineers have developed and patented a new breed of self-guided bullet that can navigate its way to a laser-designated target at ranges of more than a mile.
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.