If you like that, you'll get a kick out of fluidic logic -- used in old-school ICBMs, oscillators for spraying wiper fluid, etc https://hackaday.io/project/455

If you like that, you'll get a kick out of fluidic logic -- used in old-school ICBMs, oscillators for spraying wiper fluid, etc https://hackaday.io/project/45555/gallery#5233f682e2114006e27d5fd5b5e37760 https://hackaday.io/project/45555/gallery#5233f682e2114006e2... https://en.wikipedia.org/wiki/Fluidics https://en.wikipedia.org/wiki/Fluidics Also worth checking out Bubble Logic (PDF warning: it's an MIT PhD thesis): http://cba.mit.edu/docs/theses/08.09.Prakash.pdf http://cba.mit.edu/docs/theses/08.09.Prakash.pdf