Google+ post by David Impey on 2014-10-01 11:43:32 UTC

3D Printing
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1

http://microfabricator.com/articles/view/id/542bcf193139444b3b8b4581/scientists-debut-liquid-metal-3d-printing-method

2

The method described only uses low temperature melting metals onto a cooling liquid. This is not too different than people using lead based solder, except the cooling liquid is an interesting addition.