"Machines That Think! explores machines from ancient history to today that perform a multitude of tasks, from making mind-numbing calculations to working on assembly lines to guiding spaceships to the moon. Included are fascinating looks at the world's earliest calculators, the birth of computer programming, and the arrival of smartphones. Contributors discussed include Muhammad ibn Mūsā al-Khwārizmī, Ada Lovelace, and Bill Gates. From the abacus...