The electricity runs through the circuits like the transmitting material in the human nervous system, which allows the brain to remember, select, calculate, and even listen, speak, read, and write, undertaking all kinds of "intelligent" tasks.
正如同神經傳導物質在人類腦中的神經網絡遊走，人腦就能記憶、選擇、運算，甚至聽、說、讀、寫，從事種種有「智慧」的行為一樣，電流在電路裡遊走，功能也可以無限衍生：