| http://www.w3.org/ns/prov#value | - material, extract metals and other valuable commodities and develop the technology to produce fuel and components, such as solar cells, in space.The company said it has a patent pending on a three-dimensional printer called a ???Microgravity Foundry??? that uses lasers to deposit nickel in precise patterns in zero gravity.On Earth, similar printers produce three-dimensional components by depositi
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