Space junk is one of the biggest threats we face in our quest to populate the moon. When the USSR launched a monkey into space in 1957 there was very little space junk floating around. Now there is currently an estimated 5,500 tons of debris orbiting our planet. Fortunately there are a lot of intelligent people working on solving this problem.
One group, from the University of Surrey, have created the CubeSail which is essentially a five by five meter sheet of plastic that slows down space junk and drags it into the earth’s atmosphere where it bursts into flame, usually. A simple but effective cure for a the larger debris.
Another group, from Glasgow, have revealed designs for a cornhole vortex that attaches to the end of a rocket propelled wolf dick. Read more »