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Open a kitchen tap a crack and the stream is glassy and still — you can read print through it. Open....

There is a distinct sound a cavitating pump makes — like gravel being dragged through the casing. It...

A pump sitting on a test bench has no fixed flow rate. Connect the same pump to a short, wide pipe.....

A facilities engineer once specified a transfer pump from the static lift alone — the height the...

Hold two sheets of paper a few centimetres apart and blow between them. Instinct says they should fl...