Universal change is often the ultimate result of one individual’s lightbulb moment—an invention that triggers a ripple effect across countries, continents, or even out into space. Know-It-All Great Inventions looks at fifty of these great ideas that really did change the world. It covers a wide range, from early days (the wheel) through materials (the invention of steel and plastic) to comm…
Stone choppers, eyed needles, camel saddles, chariots, and contraceptives: the past is paved with remarkable inventions. The latest book in this popular series takes us on an eye-opening and unusual journey through early human innovations--some fundamental and others intriguing or bizarre. An international team of scientists, archaeologists, and historians reveals seventy of the most extraordin…