Kategoria BISAC: Juvenile Nonfiction >> Biography & Autobiography - Science & Technology

When a terrible drought struck William Kamkwamba's tiny village in Malawi, his family lost all of the season's crops, leaving them with nothing to eat and nothing to sell. William began to explore science books in his village library, looking for a solution. There, he came up with the idea that would change his family's life forever: he could build a windmill. Made out of scrap metal and old bicycle parts, William's windmill...

This little-known story is a fresh, kid-friendly way to show how Thomas Edison and Henry Ford grew up to be the most famous inventors in the world--and best friends, too.

When a Serbian boy named Nikola Tesla was three, he stroked his cat and was enchanted by the electrical sparks. By the time he was a teenager, he had made a vow: Someday I will turn the power of Niagara Falls into electricity. Here is the story of the ambitious young man who brought life-changing ideas to America, despite the obstructive efforts of his hero-turned-rival, Thomas Edison. From using alternating current...

Marie Tharp was always fascinated by the ocean. Taught to think big by her father who was a mapmaker, Marie wanted to do something no one had ever done before: map the bottom of the Atlantic Ocean. Was it even possible? Not sure if she would succeed, Marie decided to give it a try.

Throughout history, others had tried and failed to measure the depths...

You know the Super Soaker. It's one of top twenty toys of all time. And it was invented entirely by accident. Trying to create a new cooling system for refrigerators and air conditioners, impressive inventor Lonnie Johnson instead created the mechanics for the iconic toy.

A love for rockets, robots, inventions, and a mind for creativity began early in Lonnie Johnson's life. Growing up in a house full of brothers and sisters, persistence and a passion for problem solving became the cornerstone for a career as an engineer and his work with NASA....

Vivien Thomas's greatest dream was to attend college to study medicine. But after the stock market crashed in 1929, Vivien lost all his savings. Then he heard about a job opening at the Vanderbilt University medical school under the supervision of Dr. Alfred Blalock. Vivien knew that the all-white school would never admit him as a student, but he hoped working there meant he was getting closer to his dream.

As Dr. Blalock s research assistant, Vivien learned surgical techniques. In 1943, Vivien was asked to help Dr. Helen Taussig find a cure for children with a specific heart defect....

While studying the astrological birth charts of all the US presidents, I discovered that those of the thirteen modern US presidents, from Franklin Roosevelt to Barack Obama, all had the natal Sun (the planet most associated with ones basic identity) making an aspect (certain designated degrees between two planets) to their natal Neptune. This was surprising since I would have thought that politicians, particularly those aspiring to the presidency, would have an overwhelming emphasis on the Sun-Mars aspect, but not on the Sun-Neptune aspect.

What I discovered in my research was that...

Through the story of Mary Anning, readers learn about life and society in the 1800s and Victorian Britain. We learn what it was...