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NASA Successfully Tests First 3-D Printed Rocket Engine Injector

NASA Successfully Tests First 3-D Printed Rocket Engine Injector

Popular Science - By Shaunacy Ferro

Another step toward the day when 3-D printers spit out entire spacecraft. We've seen 3-D printed aircraft and drone parts, and even plans for a printable private jet. Now NASA has demonstrated another 3-D printing first: The agency has just finished successful tests of a 3-D printed rocket engine …

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