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Superfast 3-D printer constructs objects from goop: new process creates items by manipulating oxygen, UV light.
A new versatile method can produce three-dimensional objects from a puddle of goo in mere minutes--orders of magnitude faster than current 3-D printers.
The technique, reported in the March 20 Science, manipulates a liquid resin, ultraviolet light and oxygen to create objects with precision down to less than a tenth of a millimeter. The method could be used to manufacture products such as engine parts and medical devices.
The researchers "really thought about the chemical...
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