Scientists used techniques from the field of gravitational wave astronomy to argue that the Antikythera mechanism contained a lunar calendar. By Becky Ferreira The Antikythera mechanism, an ingenious ...

A new working model of a 2,000-year-old astronomical calculator reveals the sophistication and precision of mathematics, astronomy and engineering in the ancient world. A new working model of the ...

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 ...