How Technology Works on Instagram: "A modern chip is the closest thing to magic humans have ever built. Billions of transistors — each smaller than a virus — firing in perfect coordination inside a piece of silicon the size of a fingernail. Wires measured in atoms. Logic switching at billions of times per second. Factories so precise a single speck of dust can ruin an entire batch. This microscopic engine runs everything: your phone, your car, your bank, your AI, your entire digital life. The wo