stackyFACTSBefore delicate semiconductors ruled the world, engineers built calculation mechanisms out of nothing but pressurized fluid.
Before delicate semiconductors ruled the world, engineers built calculation mechanisms out of nothing but pressurized fluid. By shooting a main jet of water or air through complex channels, they could use tiny perpendicular control jets to physically shove the main stream into different output paths based on the Coanda effect. It is a completely physical, circuitry-free way to govern complex systems just by aggressively redirecting fluid flows.
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