2012 may be the year of 3D printing, when this three-decade-old technology finally becomes accessible and even commonplace. Lisa Harouni gives a useful introduction to this fascinating way of making things — including intricate objects once impossible to create. (Recorded at TEDSalon London, November 2011, in London, UK. Duration: 14:50) [ted id=1335] Watch Lisa Harouni’s talk on […]