The Week in 3D Printing

This week, we learned what it will take to 3D print homes for humans on distant planets, how 3D modeling of your head and face can give you new hair — or just perfectly fitted sunglasses — plus, we found out how to turn used analog sound equipment into smartphone-connected wizardry. Printing a New World Pioneering USC engineer Behrokh Khoshnevis told NBC how he's working with NASA to use found materials ...