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The Fine Art of Forgery

from The Atlantic

In the radiant blue chamber of the ZPrinter 850, a skull is born. An inkjet arm moves across a bed of gypsum powder, depositing a layer of liquid that binds the powder together in the shape of a cranial cross-section. Then the arm sweeps across again, brushing on another thin layer of powder, followed by another layer of liquid, indistinguishable from the first, its imprint as abstract as a coffee stain on a napkin. Watching this process is akin to watching a movie with a slide projector—it's slow. But after twelve hours and 1,500 layers, a technician will reach into the dust and pull out an impeccably structured replica of a hominid skull. more


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