(NEWSER– Delivering supplies to astronauts in space is kinda tricky. So NASA is sending a 3-D printer to the International Space Station next year, to test whether the technology can work in microgravity. If it does, the ISS will get a permanent printer in 2015, so it can make things like replacement parts and tools, the Scientific Americanreports. The agency recently released an awkwardly-narrated video explaining the project on YouTube. "3-D printing provides us the ability to do our own Star Trekreplication right there on the spot," says an astronaut in the clip.

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