100 Inventions That Changed the World

We take thousands of inventions for granted, using them daily and enjoying their benefits. But how much do we really know about their origins and development? This absorbing new book tells the stories behind the inventions that have changed the world, with details about-- Convenience items, such as safety pins, toothbrushes, and bifocals. Weapons of war, including explosives, gunpowder, and shrapnel shells. Industrial advances, such as the steam engine and the power loom for weaving. Transportation advances, including the airplane, the diesel engine, the automobile, and the air-inflated rubber tire.