Thirteen-year-old Robert "Qwerty" Stevens uses the time machine he finds in his back yard to visit Thomas Edison's workshop in 1879, and there helps develop the electric light bulb, but then needs his sister's help to return to his own time.
Provides a brief profile of the life of Thomas Alva Edison and explains the nature of electricity. Includes photographs, illustrations, and related experiments.
Examines the life of Thomas Edison, the American inventor credited with developing the first practical light bulb, discussing his early innovations, and noting his many accomplishments, which led to his receiving over one thousand patents.
Traces the life of the man who invented the phonograph, light bulb, and motion picture camera, with an emphasis on the value of perseverance in his achievements.
Profiles the life and work of inventor Thomas Edison, describing his different inventions, many of which are still being used today, as well as his personal life.
Describes the life and achievements of Thomas Edison, who is credited with inventing the phonograph in 1877 and the light bulb in 1879. Includes time line and resources.