Innovation stems from the minds of individuals who recognize a need and strive to develop a new way to fill it. One such innovation was the difference engine, an automatic mechanical calculator ...

As you might expect from its name, the "Difference Engine" is a strangely difficult object to describe. You might start by imagining the side of a large crib with uprights ringed by small metal wheels ...

Created by Charles Babbage, the Analytical Engine was a general-purpose, completely program-controlled, mechanical digital computer with no human intervention. It was designed to be programmed using ...