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"How Silicon Chips Are Made"

I tell my students that it's really, really close to magic.

The deserts of Arizona are home to Intel’s Fab 32, a $3billion factory that’s performing one of the most complicated electrical engineering feats of our time. It’s here that procesors with components measuring just 45 millionths of a millimetre across are manufactured, ready to be shipped out to motherboard manufacturers all over the world. Creating these complicated miniature systems is impressive enough, but it’s not the processors’ diminutive size that’s the most startling or impressive part of the process.