3-D printing goes from sci-fi fantasy to real life, industries
Jun 3, 2013
SAN MATEO, California (AP) ― Invisalign, a San Jose company, uses 3-D printing to make each mouthful of customized, transparent braces. Mackenzies Chocolates, a confectioner in Santa Cruz, uses a 3-D printer to pump out chocolate molds. And earlier this year, Cornell University researchers used a 3-D printer, along with injections of a special collagen gel, to create a human-shaped ear. Once a science-fiction fantasy, three-dimensional printers are popping up everywhere from the desks of home ho