gadgets The Used Tire Mart Sagamihara Store contains over 100 antique working vending machines Popkin
inventions Joseph's Machines: A funky contraption made of paint rollers that will steep and wring out your tea Popkin
Engineering Video: Man builds beautiful machine to throw knives with incredible laser-guided accuracy David Pescovitz
machines All this industrial robot does is tap its feet to test how footsteps will sound in a building David Pescovitz