As the weather cools and the days shorten, students are back in class, whether in person, remotely, or as a hybrid model, all part of our “new normal.” Schools across […]
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.