Ancient Persians bred larger, stronger horses to ride on in war and help pull carts. In China, ancient warriors developed martial arts and engineers built one of the biggest military building projects in history, the Great Wall. Ancient Americans created improved spear throwers used by hunters and warriors. The ancient Romans and Greeks built speedy ships based off the ships of the ancient Phoenician navy.
From the first spear throwers to the dreaded Claws of Archimedes, discover the ancient technologies that changed the course of human history.
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.