摘要: O'Neill interviews systems engineer Sam Ortega about NASA's 3D Printed Habitat Challenge and what he's asking people to do. tells how regolith be made cites other necessities that need survive.
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摘要: O'Neill interviews systems engineer Sam Ortega about NASA's 3D Printed Habitat Challenge and what he's asking people to do. tells how regolith be made cites other necessities that need survive.