Around 10,000 years ago, humans began to settle in permanent cities. They needed new technologies to raise bigger houses and monuments. Many of the discoveries made by ancient engineers are still used today. From building materials such as concrete, bricks, and glass to construction machines such as ramps, archways, and sloped camber roadways, many of the buildings we walk in everyday use designs first invented in the ancient world.
Learn about the ancient construction methods that laid the foundation for modern monuments, plumbing, and skyscrapers.
Michael Woods is a science and medical writer whose nationally syndicated newspaper stories and columns have won numerous national awards. He directs a program at the American Chemical Society, the world’s largest scientific society, to inform the public about science. He and his wife, Mary B. Woods, have written almost forty books together. Michael is the writer, and Mary is the researcher.
Mary B. Woods is an elementary school librarian in the Fairfax County (VA) Public School system. She has presented at international librarians' conferences. Mary has worked with her husband, Michael Woods, to write almost forty books. She is the researcher, and Michael is the writer.