Inside there's a coil of wire wrapped around an iron core. When a current flows through this control wire, it creates a magnetic field. This pulls down the metal switch on top, which contacts the ...
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How small can a transistor actually get?
Every computer chip is built from a switch smaller than anything the human eye can resolve, and for decades engineers have ...
A Brief History The first transistor, invented at Bell Labs in 1947, was a handmade device about half an inch tall—enormous by today’s standards, when billions fit on a single chip. On December 23, ...
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