Prompt: Tell us about zero. Zero, zilch, zip, nada, rien, nil - frequent expressions used to express nothing or the lack of something. It’s a concept we often don’t think about today. However, some of the greatest thinkers of the past spent a lot of time contemplating nothing. It was these thoughts that allowed the Arabic numeral system to gain popularity in the Western world, spreading across continents through the transportation of goods and wars. Today, many modern concepts and technologies rely entirely on the existence of zero. Zero, one of the most significant numbers in modern mathematics, shows that nothing can actually be anything. The ancient empires of the Fertile Crescent developed the first digital systems. In some systems, large quantities used a special symbol as a placeholder. Others didn't use a placeholder at all. These digital systems were primarily used to bill livestock and goods, without requiring the use of zero. The ancient Greeks used a number system without zeros or placeholders. Although simple mathematics using such a system is very complicated and ...