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High Frontier 2nd edition
From the Manufacturer In the near future, nanofacturing techniques will allow incredible new materials to be built atom by atom. But they can only be built in the zero-gravity and high-vacuum conditions in space. Various private and government enterprises race to establish a buckytube mechanosynthesis factory on a suitable carbonaceous asteroid. To do so, they accumulate tanks of water in orbiting fuel depots, to be used as rocket propellant. Also needed are remote-controlled robonauts to do the grunt work. The key to success is water in LEO (low Earth orbit). At first, water will be expensively upported out of the deep gravity well of Earth. But for a third the fuel and energy, water can be supplied

Price is $83.00
Price: $82.95