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.
how a candle-maker's son helped light the flame of liberty
Freedman, Russell
An introduction to the life of young Benjamin Franklin describes how, as a rebellious teen in 1732, he ran away from his family and a Boston apprenticeshipto Philadelphia, and how throughout subsequent decades he rose to become a distinguished statesman, renowned author and world-famous scientist.
Traces the life of Alexander Graham Bell, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the invention for which he is best known, the telephone.
Traces the life of Thomas Edison, one of the most influential inventors in American history, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the many inventions for which he is best known.
Chronicles the achievements of nine African-Americans responsible for inventions related to parts of modern life such as refrigeration, electric lighting, and transportation.
In order to make the perfect gift for their mother's birthday, sisters Kata and Meli embark on an adventure of engineering-based problem solving - including brainstorming, prototyping, designing for manufacturability, and final product.
Provides a biography of NASA engineer Diana Trujillo. Discusses her childhood, education, and work with the Mars rover, "Curiosity." Includes color photographs, quotes, a timeline, a glossary, and further resources.
Sheds new light on the Benjamin Franklin, who considered science his true calling in life, not nation building, in this perceptive, fair-minded portrait.
