Makerbot is in the gutter, 3D Systems and Stratasys stock is only a shadow of their 2014 glory, but this is the best year 3D printing has ever had. Machines are now good and cheap, there’s a variety ...

High “spatial ability” in adolescence, including the capacity to visualize 3D objects from 2D patterns, is a statistically significant predictor of later creativity in science and technology, says a ...