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Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.

This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.