The creation of stunning images, models, and special effects in cinema, TV, virtual experiences, simulations, and video games relies heavily on powerful AI-powered computers. However, the development of these modern computers was preceded by a long journey of innovation and discovery. The mechanics of computing has their roots in ancient technologies, such as clocks and navigation systems, which laid the groundwork for the complex machines we use today. Mechanical toys and automatons that mimicked human and animal behavior were precursors to the Industrial Revolution. These early devices paved the way for the development of automatic looms, which utilized punch cards to control patterns and sequences. The subsequent innovation of electromechanical relays enabled the switching of electrical currents and telephone lines, and those relays eventually found their way into the earliest forms of digital computers as binary switches. From there, the evolution of technology accelerated rapidly, with the introduction of vacuum tubes (valves), transistors, and integrated circuits. Each of these advancements enabled computers to become smaller, faster, and more powerful and reliable. Today, we have massive multiprocessor AI computers that fit in the palm of our hand, a far cry from the enormous machines of the past. The trend of decreasing size and cost, accompanied by increasing performance and storage capacity, shows no signs of slowing down. As a result, the computers we use today will likely seem antiquated and cumbersome in the near future, just as the computers from a few decades ago seem quaint and enormous by today’s standards. The relentless march of technological progress continues to push the boundaries of what is possible, enabling us to create even more sophisticated and immersive experiences (Fig. 5.1).