Every day, you brush your teeth and wash your face. You eat your meals, go to school, maybe play some sports or go to a music lesson. Maybe you even […]
The helicopter was invented by the Chinese in the 4th century, more than a 1,000 years before Leonardo da Vinci. It was called the Bamboo Dragonfly and could fly 25 feet (7.6 m) up and down. The first modern helicopter was invented by the French.