In the video, [Chris] uses two metal hooks, bent in a ninety-degree ... such as those used in the construction of the Antikythera Mechanism, which [Chris] has been rebuilding for the past years ...

The Antikythera Mechanism has baffled experts since it was found on a Roman-era shipwreck in Greece in 1901. The hand-powered Ancient Greek device is thought to have been used to predict eclipses ...