Launched to a geosynchronous orbit, the 45-ton anchor deploys its
carbon-fiber-filament payload to Earth’s surface. Engineers attach the filament to a base station floating west of the Galapagos Islands. The anchor keeps itself in place using fuel stored in its 8-foot-
diameter propellant tanks.
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.