Imagine your life as a timeline graph, from birth to present to future. Write down all of your major goals in your life that you feel you want to achieve. […]
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.