Think your computer’s had it? Meet one found in a shipwreck that’s 2,000 years old.

Watch The World's First Computer on BBC Select

It’s called the Antikythera Mechanism. A mysterious lump of calcified stone containing various gearwheels discovered in an ancient shipwreck. It’s thought to be one of the earliest-ever computers, used to predict solar eclipses and calculate the timing of the ancient Olympics.

Watch The World's First Computer and more acclaimed documentaries on BBC Select today. Restrictions apply*.

The World's First Computer on BBC Select

Now scientists are revealing more surprising and awe-inspiring details of an object that continues to mystify.

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