inventions

Documents some of the scientific world's most important discoveries, from the discovery of fire to the invention of the steam engine and the Pentium chip, highlighting innovations that have had a profound impact on the human race.

Examines how everyday things came to be invented and patented.

Contains alphabetically arranged articles that provide information about 195 twentieth-century inventions, from simple gadgets to complex medical breakthroughs, and features biographical profiles of some of the inventors. Includes a time line, a list of topics by category, and an index.

Includes drawings of unusual inventions submitted to the patent office, with clues to aid the reader in guessing the purpose of each invention.

Describes technology inventions, including televisions, video games, the Internet, and tablet computers.

Describes sanitation inventions, including flushable toilets, sewers, landfills, and air fresheners.

Describes sports and entertainment inventions, including the tennis ball, baseball glove, roller coaster, electric guitar, and skateboard.

Presents a comprehensive examination of over two hundred years of American women inventors including Mary Dixon Kies, who in 1809 received a patent for a method of weaving, and actress Hedy Lamar who developed a secret wartime communications system.

Steve "Sneeze" Wyatt attempts to thwart his parents' plan to have him skip eighth grade, but he has bigger problems when his friends disapprove of his new list and Mrs. "Fierce" Pierce threatens to keep him from the Invention Convention.