inventions

Photographs and text explore such inventions as the wheel, gears, levers, clocks, telephones, and rocket engines.

Text and illustrations look at people who imagined and invented to make the world a better place, including Johannes Gutenberg, Thomas Edison, Marie Curie and more.

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products.

Presents miscellaneous information from ancient to modern times covering the worlds of science, nature, and history.

"When her father goes missing, thirteen-year-old Lily Hartman must team up with a clockmaker's son, Robert, and her mechanimal fox, Malkin, to solve the mystery of her father's disappearance and his world-changing invention, a perpetual motion machine called the Cogheart"--Provided by publisher.

"Do you know how many things in your daily life were invented by accident? SANDWICHES came about when an English earl was too busy gambling to eat his meal and needed to keep one hand free. POTATO CHIPS were first cooked by a chef who was furious when a customer complained that his fried potatoes weren't thin enough. Coca-Cola, Silly Putty, and X rays have fascinating stories behind them too! Their unusual tales, and many more, along with hilarious cartoons and weird, amazing facts, make up this fun-filled book about everyday items that had surprisingly haphazard beginnings.".

Theo, the boy genius, enlists Michael, the new kid, as his ally in a secret plan to "wreck" the bully of the eighth grade once and for all.

Picked on, overweight genius Owen tries to invent a television that can see the past to find out what happened the day his parents were killed.

Tells the story of how women throughout the ages have responded to situations confronting them in daily life by inventing such items as correction fluid, space helmets, and disposable diapers.

Highlights milestones in earth sciences, energy, mathematics, medicine, physics, and transportation from prehistory to the present.