Ancient Inventions That Set The Stage For Computers

(via History Things)  Ubiquitous yet unseen, most of the modern world runs on computers. Computers have become ingrained in almost every device, that we barely even notice them. We also rarely see the work that went into creating and producing those computers. Their history has evolved over thousands of years, even before the accelerated progress of the last century.  History Things lists some inventions that made your reading this possible.