Building electronics from the ground up

There's hardly a moment in modern life that doesn't involve electronic devices, whether they're guiding you to a destination by GPS or deciding which incoming messages merit a beep, ring or vibration. But our expectation that the next shopping season will inevitably offer an upgrade to more-powerful gadgets largely depends on size -- namely, the ability of the industry to shrink transistors so that more can fit on ever-tinier chip surfaces.

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