Sweeping advances in precision technologies.

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When we think of 3D printing, we usually think of stuff on the macroscale, like automobile engines or replacement parts of some kind. Unless it's in another context, however, we rarely stop to consider the applications of this technology on a finer scale. A couple of weeks back a research team at the Karlsruhe Institute of Technology in Germany announced a breakthrough: The Nanoscribe, a 3D printer which uses laser light to selectively harden liquid plastic in a successive deposition process. The Nanoscribe can fabricate objects the width of a human hair with amazing precision and a fair amount of …

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