Other entries in the history of fluid-based computers: John Conway was involved with a water-based computer, WINNIE, in the 1950s as an undergrad at Cambridge:

Other entries in the history of fluid-based computers: John Conway was involved with a water-based computer, WINNIE, in the 1950s as an undergrad at Cambridge: http://nautil.us/blog/this-early-computer-was-based-on-a-urinal-flush-mechanism http://nautil.us/blog/this-early-computer-was-based-on-a-uri... Fluidics: https://en.wikipedia.org/wiki/Fluidics https://en.wikipedia.org/wiki/Fluidics http://www.blikstein.com/paulo/projects/project_water.html http://www.blikstein.com/paulo/projects/project_water.html This shows how the gates above look: https://i.imgur.com/70jHICi.gifv https://i.imgur.com/70jHICi.gifv