ANSI B11.0-2023: Safety of Machinery
In the hands of Homo erectus—or its contemporary primitive cousin, H. habilis (whose name literally means “handy man”)—the hand axe, dating back 1.8 million years,…
IEC 60335-2-75 Ed. 3.0: Vending Machines And Dispensers
In 215 BC, the Greek mathematician and engineer Hero of Alexandria invented the first vending machine. The device accepted coins that would fall on an…