A new technology that has been widely touted as having the potential to revolutionise industry and science also has a dark side. 3-D printers are marvels of fabrication technology that can produce everything from a model aeroplane to mixtures of stem cells to guns. Yet again, the world is confronted by a technology of amazing potential – and frightening risks.
Tools of Modern Gunmaking: Plastic and a 3-D printer (New York Times)
3D printer spits out human embryonic stem cells (Live Science)
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