A numerical table is a tool designed to save the time and labor of those engaged in computing work. The oldest tables which are preserved, were compiled in Babylon in the period 1800-1500 B.C. They ...

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 ...

For many of us, the computer is the symbol of our hypermodernity, the image of how vastly we differ--culturally, economically, socially and politically--from past generations. And many of us think of ...