I thought we decided to use electricity and silicon mazes instead? But there were attempts to use water too, e.g. MONIAC: https://en.m.wikipedia.org/wiki/MONIA

I thought we decided to use electricity and silicon mazes instead? But there were attempts to use water too, e.g. MONIAC: https://en.m.wikipedia.org/wiki/MONIAC https://en.m.wikipedia.org/wiki/MONIAC