Commentary Click past Apple’s shiny consumer marketing of its latest iPhone 13, and you’ll read in the specs that it brings some serious new technology to its hardware. Its A15 Bionic chip has 15 billion transistors… a new six‑core CPU with two performance and four efficiency cores… a new five‑core GPU… a new 16‑core Neural Engine. Even though I’m not sure exactly what all that means, it sounds like some serious horsepower.  These days we take our cell phones for granted. They’re so integrated into our daily lives that most people are never without them. We never think about exactly how dependent on them we’ve become. And more importantly, we never think about where those miraculous circuits that make them run come from. Apple has teams of engineers designing these new wonders, but who makes them a reality? The ‘Fab’ Back in the mid-1980s, during the birth of the microchip …