30000 Years of Inventions Author:Thomas J. Craughwell For anyone who wants to delve into the history of science and technology, 30,000 years of inventions provides a chronological look at the breakthroughs, discoveries, and systems of inventions that have changed human life. From looms and sundials to personal computers and Post-It Notes, readers will learn the details and significance of man's gre... more »atest achievements. Two page entries include reveling text and illuminating images for each invention.« less