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Smithsonian Institution
National Air and Space Museum: Wright Brothers: Who Were Wilbur and Orville?
Classroom activities, interactive experiments, timelines, and other artifacts that celebrate the Wright brothers' first flight.
Andre Dollinger
Pharaonic Egypt: Agriculture in Ancient Egypt
Use this site to learn about the inventions and innovations of the Ancient Egyptian farmers. This detailed article, which discusses irrigation and the Nile flooding, planting, and harvesting includes links to related articles and...