In orbit, debris as small as a metal screw can cripple a vehicle or kill an astronaut. Here are five ideas for cleaning up the growing band of trash circling Earth
By David Kushner
Posted 07.13.2010 at 10:05 am 1 Comment
One Friday last November, the six astronauts onboard the International Space Station received an urgent warning from mission control: Watch out for space junk. A piece of orbital debris, possibly a chunk of satellite, was hurtling toward the station. A direct hit could break through the hull. The crew prepped for escape.
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.