Quick — what was the first personal computer you ever owned? You don’t have to think about it for even a second, do you? No matter how many machines you’ve had over the years, you always remember your ...

More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a precision that still unsettles modern engineers. The corroded fragments of ...

More than two millennia ago, Greek craftsmen built a bronze machine that could track the heavens with a precision that would not be matched for centuries. Hidden inside a corroded lump recovered from ...