What: An “elevator” that carries heavy loads into space
Where: Equatorial Pacific Ocean
Cost: $10 billion
Crux: A 62,000-mile cable—one end “anchored” in space and the other attached to a platform in the Pacific—that acts as a rail for laser-powered lifters carrying up to 5 tons.
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.
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