One related substantive discussion in 2018: "Vladimir Lukyanov's hydraulic computer" (72 comments) <https://news.ycombinator.com/item?id=18525534 https://news.

One related substantive discussion in 2018: "Vladimir Lukyanov's hydraulic computer" (72 comments) <https://news.ycombinator.com/item?id=18525534 https://news.ycombinator.com/item?id=18525534>