Amazing: Prof. Says We Can Use 3-D Printing to Build Inexpensive, Custom-Designed Homes in 20 Hours

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One of the challenges for over a billion people around the world is the cost of housing.  Homes are difficult to construct, take lots of time, and can be very expensive.  Behrokh Khoshnevis is a professor of Industrial & Systems Engineering and is the Director of Manufacturing Engineering Graduate Program at the University of Southern California (USC).

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