The future of exploration starts with 3-D printing | Phys.org

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The J-2X engine before installation at the Stennis Space Center. Credit: NASA/SSC

Cool tech at NASA cutting manufacturing time from 9 months to 9 days. This is for the STS Senatorial(pork) Transportation System that I’ve no love for but proving tech like this is one of the ways that government R&D tax dollars provide broad value since success is not squirreled away as a trade secret.