The ancient artefact described also featured in a Jonathon Blow lecture, as an example of an engineering skill we lost for 1600 years: https://youtu.be/ZSRHeXYDLko?t=402
Perhaps he saw it on hn that time https://news.ycombinator.com/item?id=19781608
Perhaps he saw it on hn that time https://news.ycombinator.com/item?id=19781608