Changes in pressure can force liquid to move from one side of computer chip to another, creating a pneumatic computer that doesn’t need electricity
A pneumatic computer made of glass and silicone uses pressure instead of electricity to encode data. It can enable a chip-sized device to perform procedures that are usually done by technicians in labs.
at the University of California, Irvine. He and his colleagues set out to replace that huge box with a tiny computer that doesn’t need electricity and fits inside each lab-on-a-chip.They sandwiched a sheet of silicone 0.25 millimetres thick between two thin panes of glass. They etched tiny channels into the glass so that liquids needed for chemical reactions could flow through them, and then punched small holes into the silicone layer to connect channels between the two panes.
through wires in electronic computer chips. They designated low, vacuum pressure as “1” and atmospheric pressure as “0”, and added tiny valves that can swap the two values. This turned the chip into a pneumatic computer.Sign up to newsletter
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