Bio printer
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3D printer creates human-like ear

Cornell University's Hod Lipson explains how a 3D printer producing silicone ears could lead to a machine that will one day "print" functional body parts.

US researchers at Cornell University have engineered an ear made of silicone using a 3D printer, which they hope will one day be capable of producing functional human body parts.

Hod Lipson, the director of the Computational Synthesis Laboratory at the university, has been testing the 3D printer as a means of producing synthetic heart valves.