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Old October 1 2009, 12:56 AM   #5
sojourner
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Re: NASA’s Version of Star Trek Replicator Ready for On Orbit Test

Lindley wrote: View Post
How is this different from the sorts of 3D printers which have been around for a while?
Existing 3-d printers are plastics based. This new device seems to be an order of magnitude above that insomuch as it can use and create complex metal alloys and multiple materials concurrently.
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