This Huge Engineering Project May Be Our Best Chance At Colonizing Space

Space colonization has reached an impasse, for reasons far more fundamental than a lack of money for the Space Shuttle program. There is simply no way humans can travel easily offworld without using massive amounts of rocket fuel to escape the gravity well — and that’s both expensive and environmentally unsustainable.… »6/15/15 5:06pm6/15/15 5:06pm

Why Japan Probably Won't Have a Space Elevator by 2050

Japanese construction company Obayashi wants to build an elevator to space — and they want to use carbon nanotubes to get there. The Tokyo-based company plans to use 60,000-miles of the cylindrical carbon structures, anchored to Earth's surface, to shuttle an elevator to and from a distance about a tenth of the Moon's… »2/24/12 4:20pm2/24/12 4:20pm