We explain nothing.
The computer you’re reading this article on right now runs on a binary — strings of zeros and ones. Without zero, modern electronics wouldn’t exist. Without zero, there’s no calculus, which means no modern engineering or automation. Without zero, much of our modern world literally falls apart.
LINK: https://www.vox.com/science-and-health/2018/7/5/17500782/zero-number-math-explained
