I'm sharing a quick chemistry fact about gunpowder, a major Chinese invention made from sulfur, carbon, and potassium nitrate. But that's just one of China's "Four Great Inventions." If you already ...

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. Roman, Egyptian, and Chinese civilizations had many ...

They were used to scare away evil spirits, and large animals. See how fireworks were born, and why we might want to replace them with a light that is brighter still.