Did you know that President Thomas Jefferson used a copier? Or that one of the world's fastest computers is the size of a two-story house? Get ready to learn the strange stories behind technology inventions you use every day. From the teenager who first imagined the television to a $900 smartphone named Simon, you'll find out how we got the technological wonders that help us connect, create, and keep up.

"My Inventions" is a candid and illuminating autobiography of Nikola Tesla, one of the most important technological innovators of the modern industrial age. Famous for the radio, robotics, and wireless energy, Tesla quickly gained international notoriety for his pioneering inventions as much for his eccentric life. Perhaps no one in his day more thoroughly embodied the archetype of the "mad scientist". This firsthand account reveals the fascinating...

Totally Amazing Facts About Outrageous Inventions is the perfect treat for kids with an appetite for "Did you know...?" More than 100 facts about everything from toothbrushes, airplanes, and flush toilets to animation, ice cream, and crayons are served up in photo-packed design sure to engage reluctant readers.

Do you know what happened when a kid forgot his glass of soda with a stir stick in it outside on a freezing cold night? Popsicles were invented! And did you know ancient people loved to chew on gum, just like we do? Get ready to learn the strange stories behind inventions you use every day. From the guy who thought white-flour snacks were evil so he invented graham crackers to the evolution of ketchup, you'll be amazed how we got the food inventions...

Sometimes, the best hiding place is right in plain sight. Find out about steganography, the practice of concealing messages right under others' noses. See how it links with cryptology, the science of secret communication, and how the two have been used in some of history's biggest moments. Learn about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell. And follow steganography into modern...

A virtual assistant by any name - Alexa, Siri, whoever - can be a sweet addition to your home. You might use one for simple jobs like playing music or streaming podcasts. And you might use one to communicate with friends and remind you about homework coming due while helping you make your breakfast. Find out how digital assistants work and what the future might hold for this part of a high-tech home.

"This dive into the history of popular and lesser-known inventions is sure to inspire reader curiosity. Untold details behind the invention of the lightbulb, the Super Soaker, and more challenge what readers might have heard"--

A twelve-year-old boy, worried that his parents may divorce, discovers that an island in the middle of the lake where he is spending the summer is the testing grounds of the mysterious Dr. Libris, who may have invented a way to make the characters in books come alive.

Who were some of the earliest scientific engineers and what problems did they solve? What scientific discoveries led up to major breakthroughs such as the assembly line, computers, or the Internet? Who first proposed ideas to solve problems? And how did the solutions change over time? Readers will trace the history of key discoveries in engineering and design as they investigate timelines and gather key details from the text. In doing so, students...

Bionic eyes are a Modern Engineering Marvel! In this engaging title, readers will explore the history of bionic eyes from early attempts to use electricity to aid vision to the development of computer chips that led to eye and brain implants. Mark Humayun and his development of the bionic eye implant is featured, and colorful infographics show eye anatomy and how implants work. See the future of bionic eyes as scientists work to restore sight in different...