Bryan Bunch and Alexander Hellemans’ 2004 reference book, The History of Science and Technology: A Browser's Guide to the Great Discoveries, Inventions, and the People Who Made Them from the Dawn of Time to Today , spans over 7,000 entries across 10 chronological periods. The 776-page volume features nearly 200 biographies and 200 essays, offering a highly browseable overview of scientific and technological progress. A subsequent updated version, STEM Chronology , was released in 2021. Further details are available through the Internet Archive .