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Phoenix666 [soylentnews.org] writes:

Researchers have found a way to 3D print structures of copper and gold [sciencedaily.com], by stacking microscopically small metal droplets. These droplets are made by melting a thin metal film using a pulsed laser. 3D printing is a rapidly advancing field, that is sometimes referred to as the 'new cornerstone of the manufacturing industry'. However, at present, 3D printing is mostly limited to plastics. If metals could be used for 3D printing as well, this would open a wide new range of possibilities. Metals conduct electricity and heat very well, and they're very robust. Therefore, 3D printing in metals would allow manufacturing of entirely new devices and components, such as small cooling elements or connections between stacked chips in smartphones.

3D printing metal is so yesterday. Graphene and carbon nanotubes [3dprint.com] are where it's at.

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