Digital computers (like the one you are using right now); laptops, mobile phones, tablets, ATMs, etc are built on the fundamental principles of binary: 0, 1. But, is there an alternative to binary? Imagine a world where calculators used -1, 0 and 1, or one that worked on variable input. What would that look like? Let’s explore. TL;DR: Binary isn’t the only way computers can work. Analogue systems can be faster and more energy-efficient for specific tasks, quantum computers ta