3D-printing · microfluidics · vacuum-logic · pneumatic-computer · soft-robotics · engineering · DIY-science · microfluidic-logic · vacuum-transistor · how-it-works · 3D-printed-display · multiplexing · matrix-display · logic-gates · mechanical-computer · fluidic-computing · transparent-3D-printing · airtight-3D-prints · Arduino · soft-actuators · maker-project · STEM · lab-on-a-chip · pneumatic-circuits · snake-game · unconventional-computing · tech-build · science-experiment · RAM · MEMORY