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 ...
Art of the Problem on MSN
The unsolved computer science question that still shapes the internet
Around a hundred years ago, an age old philosophical question collided with modern mathematics and gave birth to computer ...
Charles Babbage Once Sent The Most Pedantic Letter To Tennyson, Mathematically "Correcting" His Poem
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