Aust, Siegfried

Discusses the invention and development of lamps and other light sources, from kerosene lamps and gaslight to laser beams.

Discusses time, the invention of clocks to keep track of daily activities, and types of clocks from sundial and water clock to electric and atomic clocks.

Explains all about lenses, magnifying glasses, telescopes, microscopes, eyeglasses, vision, and eye care.

Traces the history of human flight from Greek mythology to the space shuttle. Includes related activities.

Traces the history of water transportation from rafts and kayaks to modern ocean liners and war ships. Includes related activities.

Explains different ways people have communicated throughout history up to the present day, including carrier pigeon, smoke signals, and fax.