inventions

Describes the most significant inventions of the twentieth-century, decade by decade, that changed the world at large or transformed people's everyday lives, from the fuel cell to the zipper; includes information from their original patents.

Eight-year-old Donahue "Dessert" Schneider is feeling completely ignored and unloved at home, but she is certain that will change when her invention wins the Thomas Edison Contest at school.

Comic book character Green Lantern introduces some of the inventions throughout history including laser beams, digital images, automatic ears, the wheel, and flying machines.

Rewritten for a new audience, this compilation of two separately published works tells the story of Benji Franklin, a twelve-year-old genius who becomes an overnight zillionaire after writing a computer application that generates excuses--and soon discovers that a lot of people want him to solve their problems.

Phineas and Ferb celebrate the fifth anniversary of their pet platypus, Perry, with a platypult, but their creation causes them to end up in Dr. Doofenshmirtz's lair where they unknowingly help him launch the Other- Dimensionator, which zaps Phineas and Ferb into a new world where the face their alternate selves and even an alternate Dr. Doofenshmirtz.

Igor swallows a doomsday device so Franny shrinks herself and goes on a field trip like no other.

Believing that God wants him to make the world a better place, Wally is thrilled when Junior Whiz Kid outfits him with a supersuit, but he soon realizes that everyday acts of kindness make more of a difference than a superhero ever could.

When he receives a call from his grandmother asking him to come over to chop wood for her, an inventive young boy begins a series of adventures that test his mechanical know-how.

Describes important inventions in medicine, transportation, communications, and power, and the men and women responsible for them.