GadgetMadness: We find the coolest gadgets first

What do you think of when you imagine ancient Greece? While we know from reading Michael Cremo that the ancient Greeks were probably WAY more advanced than anyone gives them credit for, we think most people imagine a bunch of guys chilling out in togas around white marble pillars wearing laurel wreaths. In 1900 a group of sponge divers discovered an ancient Greek shipwreck dating from 70 BC that contained some corroded lumps of rock. Those lumps of rock were the remnants of the Antikythera: an ancient clockwork celestial computer used to predict the movements of the heavens. So the real question is - where did the knowledge to build a device this sophisticated come from?

Decoding the Heavens: Solving the Mystery of the World's First Computer via guardian.co.uk