It may be a while before space elevators become a reality, but that doesn't mean it's too early to start trying. Recently, the head of Google X's Rapid Evaluation team confirmed that its secretive R&D lab actually tried to design one — but fell short on account of one major technological hurdle.
Hit film Gravity offers a hyper-realistic portrait of life in space, including the possibility that an avalanche of space debris could be fatal. This is a real threat, so we'd better be ready. Here are ideas that scientists, engineers and other experts have proposed to reduce the space junk threat, and clean up our…
This is Startram, a proposed launch system that would use magnetic levitation trains, a 1000-mile tunnel, and a superconducting cable to reach low Earth orbit. Amazingly, we already have the technology to do it...at far less than the cost of rockets.