7 Ordinary Things That Have Changed Immensely Through History
Guns
Any type of firearm played an important role in politics, law enforcement, warfare, hunting and other fields in our society. They were responsible for numerous tragedies. However, its history is very complex.
For example, the functioning principle of cannons and grenades was discovered in 850 AD by Chinese alchemists who used explosive properties of gunpowder to catapult objects. A few years later, people invented handheld firearms from hollow bamboo tubes, gunpowder and small projectiles – they could only be used at short distances.
In the 13th century, people invented flintlock firearms and then they started to use long rifles with twisted grooves in their barrels which caused the lead bullets to spin when fired. Nonetheless, they have changed in recent years becoming much more precise.