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There’s software out there that can stylize images, but this technology makes images from real wood. Its algorithms compare greyscale levels between images and patterns in wood veneer, then instructs a CNC machine to cut out pieces that can be assembled to form a complete portrait. Two Minute Papers explains.

Engineer Allison Murray from the Purdue University Mechanical Engineering department shows us how their team used a customized inkjet printer to lay down a thin sheet of thermite, resulting in designs which explode into shapes when ignited. Learn more here.