The workings of electricity are often introduced to students by way of a comparison to water, with voltage analogous to pressure, current to flow rate, wires to hoses, and so on. Even in more advanced ...
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A microfluidic chip monitors gases using integrated, motionless pumps
A new microscale gas chromatography system integrates all fluidic components into a single chip for the first time. The design leverages three Knudsen pumps that move gas molecules using heat ...
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