Waste plastics to composting toilets: UW students win big with 3-D printer concept

A group of University of Washington students have won first prize in the 3D4D Challenge, earning $100,000 for a giant 3-D printer device that transforms waste plastics into low-cost, lightweight and energy efficient toilets. The machines also are designed to work in conjunction with rainwater barrels, bypassing traditional plumbing methods which often lead to leaks… Read More