More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...
More than two millennia ago, Greek craftsmen built a bronze machine that could track the heavens with a precision that would ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...