No more pencils, no more books, no more teachers’ dirty looks- You’re free! Summer is great time to let loose and shake off all the lingering anxiety of those dreaded […]
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.