A ketchup bottle cap inspired Princeton engineers to build a shape-shifting robot that moves without a motor
Kevin Liu showcases a geometry-powered robot that moves without motors or controls, PC: Aaron Nathans At Princeton Engineering, a team led by Glaucio Paulino has answered a question few people ever think to ask: what makes a ketchup bottle cap snap open and stay open rather than flopping shut? The hinge on a typical flip-top … Read more