1. The Airplane: How Does it Work?
... their wings, they can fly and reach high places. Airplane has the same concept. All airplanes have two wings that play the same role as the bird's wings, but not by flapping them. After many centuries, inventors had developed the idea of flying. The first man who thought of that was Leonardo da Vinci. Da vinci grasped a better understanding of flight than many experimenters did in centuries ... before. In the 1800s, George Cayley, an aeronautic engineer, went very far by constructing the first glider. After that, the Wright brothers arrived with triumph. They were the first inventors wh...
- Word Count: 1526
- Approx Pages: 6
- Has Bibliography
- Grade Level: High School