Amazing stuff!
"MIT researchers have developed an additive manufacturing technique that can print rapidly with liquid metal, producing large-scale parts like table legs and chair frames in a matter of minutes.
Their technique, called liquid metal printing (LMP), involves depositing molten aluminum along a predefined path into a bed of tiny glass beads. The aluminum quickly hardens into a 3D structure. ...
LMP, on the other hand, keeps the material molten throughout the process, avoiding some of the structural issues caused by remelting.
Drawing on the group’s previous work on rapid liquid printing with rubber, the researchers built a machine that melts aluminum, holds the molten metal, and deposits it through a nozzle at high speeds. Large-scale parts can be printed in just a few seconds, and then the molten aluminum cools in several minutes. ..."
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