Technology Biography

Garrett Morgan was an inventor concerned for the well-being of other people. His inventions included the safety hood gas mask and signals that set the standard for today's traffic lights. It is easy to see that the lives of many people were made better or saved by Garrett Morgan’s inventions.

Every visitor of Yosemite National Park in California should say "thank you" to one man: John Muir.

Galileo used his telescope to discover new and marvelous mysteries in the night sky!

Srinivasa Ramanujan has been described as a rock-star mathematician. Though he died almost one hundred years ago, his work in mathematics will always be important.

Did you know the Nobel Prize is named after the man who invented dynamite? Learn all about the life of Alfred Nobel, who grew up in a desperately poor family.

Joseph Montgolfier and his brother Étienne developed the first balloon. But its first riders were a sheep, a rooster, and a duck!

Meet Doug Taron, a scientist who studies butterflies and other Insects & Arachnids at the Peggy Notebaert Nature Museum in Chicago.

An old timer regales the audience with the story of the Stanley brothers and their famous Stanley Steamer, a steam-powered automobile.

Isaac Newton did not discover gravity; people had noticed it before! But he did figure out the rules for how it works.

Why would Geoffrey Pyke propose a strange idea like building an aircraft carrier from a mixture of ice and wood pulp?

In 1752, the sky in Philadelphia, Pennsylvania, darkened. A thunderstorm was coming. Benjamin Franklin was ready to perform an experiment. He wanted to show the electrical nature of lightning. His experiment was a success, but he didn’t discover electricity that day. Myths about Franklin and his experiment have been told for years. Discover what’s real and what’s fiction through infographics, primary sources, and expertly leveled text.

In 1949, Dorothy Vaughan became the first African American woman to lead a team at NASA's Langley Research Center. Her work as a mathematician was an important part of helping the United States explore space. Learn more about Vaughan's life as a famous mathematician!

In Defying Limits, Dave Williams shares the events that have defined his life, showing us that whether we’re gravity-defying astronauts or earthbound terrestrials, we can all live infinite, fulfilled lives by relishing the value and importance of each moment. The greatest fear that we all face is not the fear of dying but the fear of never having lived. Each of us is greater than we believe. Together, we can exceed our limits to soar farther and higher than we ever imagined.

This is the story of a unique American hero who came of age as an astronaut during the few dramatic years when man reached the moon. Cernan's career spanned the entire Apollo program, from the tragic fire that killed three of his comrades on Apollo 1, through the moment when he left man's last footprint on the moon as commander of Apollo 17.

The discovery of DNA’s structure is the story of five towering minds in pursuit of the advancement of science, and for almost all of them, the prospect of fame and immortality: Watson, Crick, Rosalind Franklin, Maurice Wilkins, and Linus Pauling. Howard Markel skillfully recreates the intense intellectual journey, and fraught personal relationships, that ultimately led to a spectacular breakthrough. But it is Rosalind Franklin - fiercely determined, relentless, and an outsider at Cambridge and the University of London in the 1950s - who becomes a focal point for Markel.

Explore the life and achievements of Rachel Carson, a ground-breaking scientist who worked to protect the Earth.

Humans from the earliest civilizations were spellbound by the night sky - craning their necks each night, they used the stars to orient themselves in the large, strange world around them. Stargazing is a pursuit that continues to fascinate us: from Copernicus to Carl Sagan, astronomers throughout history have spent their lives trying to answer the biggest questions in the universe. Now, award-winning astronomer Emily Levesque shares the stories of modern-day stargazers.

After yet another online dating disaster, Amy Webb was about to cancel her JDate membership when an epiphany struck: It wasn’t that her standards were too high, as women are often told, but that she wasn’t evaluating the right data in suitors’ profiles. That night Webb, an award-winning journalist and digital-strategy expert, made a detailed, exhaustive list of what she did and didn’t want in a mate.

Mathematics shapes almost everything we do. But despite its reputation as the study of fundamental truths, the stories we have been told about it are wrong—warped like the sixteenth-century map that enlarged Europe at the expense of Africa, Asia and the Americas. In The Secret Lives of Numbers, renowned math historian Kate Kitagawa and journalist Timothy Revell make the case that the history of math is infinitely deeper, broader, and richer than the narrative we think we know.

It's fall, 1959, and Homer "Sonny" Hickam and his fellow Rocket Boys are in their senior year at Big Creek High, launching handbuilt rockets that soar thousands of feet into the West Virginia sky. But in a season traditionally marked by celebrations of the spirit, Coalwood finds itself at a painful crossroads. The strains can be felt within the Hickam home, where a beleaguered Homer, Sr., is resorting to a daring but risky plan to keep the mine alive, and his wife, Elsie, is feeling increasingly isolated from both her family and the townspeople.