By Ryan Bradley
Posted 05.19.2011 at 11:00 am 9 Comments
Not yet, though we’ve been trying to do so since at least the 1970s. Fabricating an environment that needs no power other than the sun and is a closed system (where waste gets broken down and reused) is extremely difficult.
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.