Hays, Brooks Butler

Summary: "Simple machines are the building blocks of numerous engineering wonders. Developed centuries ago, simple machines are still helping humans redirect and magnify force today. Levers, pulleys, wheels, wings, rotors and more have helped humans span the globe, scale mountains, sail the seas, bridge mighty rivers, and take to the skies. In this volume, readers will learn how different simple...

Format: text

Publisher / Publication Date: 2021

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