Today’s world is filled with fast and convenient foods which fit in to our busy lifestyles. How many of you have given any thought to how the foods you eat […]
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.