Exploring Technology
2 total works
Discusses the development of flight from hot-air balloons, kites, and gliders to the modern jet airplanes and rocket-propelled spacecraft. Includes experiments which explain the principles of flight.
Describes how man-made structures such as tunnels, bridges, and dams have been built and how they have changed the way we live; and observes the beauty and strength of both man-made and natural structures. Also gives instructions for building one's own structures.