Describes the evolution of communication from smoke signals to e-mail, focusing on the invention of the telephone by Alexander Graham Bell in 1876, and explains how this technology changed America's economy and environment.
Introduces young readers to revolutionary inventions and emphasizes the impact the inventions had upon life at the time of their creation and beyond, exploring the inventions' cultural significance and the patterns of change that resulted.
Introduces young readers to revolutionary inventions and emphasizes the impact the inventions had upon life at the time of their creation and beyond, exploring the inventions' cultural significance and the patterns of change that resulted.
Introduces young readers to revolutionary inventions and emphasizes the impact the inventions had upon life at the time of their creation and beyond, exploring the inventions' cultural significance and the patterns of change that resulted.