Showing results for "Time" in Science & Technology

We watch videos on our smartphones and tablets. We read books on E-readers. Devices with screens are part of our everyday lives. But too much time on these devices can be unhealthy. This engaging explains how to cut the screen time.

In science fiction, time machines let people travel backward in history and forward to the future. How could one of these time-traveling devices be created? Scientists have some ideas, which include using spaceships and black holes. Discover the science and technology behind what it would take to make a real-life time machine!

Have you ever visited the Grand Canyon? As one of the world’s seven wonders, millions of people have visited this landmark. Have you ever wondered how it was formed? Learn how the 3 "R"s- Rock, Rivers, & Erosion, have led to the formation of the Grand Canyon and the changes it undergoes in present day.

On January 28, 1886 the space shuttle Challenger exploded just 73 seconds after lift-off. This unexpected disaster took the lives of seven people.

With waves crashing down from heights of 100 feet (30 meters) or more, tsunamis are powerful forces of nature. The towering wall of water can demolish buildings and leave entire cities underwater. Climb to higher ground and explore the world’s worst tsunamis.

How many hours do you sleep? How many minutes does it take to eat your cereal? Learn how clocks and calendars help you tick off the seconds, hours, days, and years.

From wind and rain to tornadoes and hurricanes, weather is a powerful force in our world. Discover how weather changes the world we live in and how scientists learn about its impact on our daily lives.

Why do we sleep? Do animals dream? Where is the oldest bed in the world? In this compendium of five-minute really true stories, you will travel to ancient Egypt to explore the five beds of Tutankhamun, jet off into space to discover how astronauts get ready for bed, and plunge underwater to learn how hibernating turtles breathe through their bottoms. With up-to-the-minute, expert information that is beautifully read by British actress Joanna Lumley, this audiobook is the ultimate brainy bedtime companion for young children.

Birds, trees, rocks, and seeds. There are so many natural wonders waiting just outside your door! This new series helps children develop listening skills while exploring the world around them.

In these true tales of wildlife survival, listeners discover how some of America's most beautiful and fascinating animals came face-to-face with the threat of extinction. Yet through the heroic efforts of people who stepped in, these endangered animals not only came back from the brink, but also began to thrive once again. This volume includes Saving the Silvertip and Struggle for Survival.

In these true tales of wildlife survival, listeners discover how some of America's most beautiful and fascinating animals came face-to-face with the threat of extinction. Yet through the heroic efforts of people who stepped in, these endangered animals not only came back from the brink, but also began to thrive once again.

In these true tales of wildlife survival, listeners discover how some of America's most beautiful and fascinating animals came face-to-face with the threat of extinction. Yet through the heroic efforts of people who stepped in, these endangered animals not only came back from the brink, but also began to thrive once again.

From the invention of the wheel to the marvel of electricity, from the groundbreaking medical discoveries to the wonders of the digital age, Top 101 Inventions Of All Time! celebrates the brilliance of human creativity and ingenuity. Whether you're a history enthusiast or simply curious about the marvels that surround us, this book promises an enlightening and exhilarating journey through the realm of invention.

Our bodies are home to tens of thousands of species that aren't at all human – on our skin, inside our gut and even in our brain, and they can have an extraordinary impact on how we feel, act and live. Together, they've assembled possibly the weirdest collection of knowledge about the human body, from poo transfusions to research into how parasites can help us.

Introduce kids to online safety with this must-have book for any kid who gets tablet, phone, or computer time! Buy this book if you’re looking for: ★ A fun, accessible, kid-friendly guide to safe, healthy, and productive screen time ★ A gift for a kid getting their first phone ★ Ways to...

In questo libro per bambini, il cagnolino Pongo e il suo amico Tim affrontano l'argomento dei Virus e i Batteri. Come nascono? Come si riproducono? Ci sono tanti tipi di virus? E il Covid-19? Scopritelo con Pongo e Tim!

Under the Stars: Bedtime Astrophysics transports curious kids and inquisitive adults on an incredible journey through the night sky. Explore our solar system from the comfort of your cosy bedroom. Find out why the sky is blue. Fly around a black hole and peer inside! Learn why Jupiter has stripes. When astrophysicist Lisa Harvey-Smith isn't looking skyward, she is answering the smart questions of school kids. Her engaging storytelling brings the night sky to life, giving amazing new perspectives to young explorers who are always asking, 'Why?'

Following on from The Bedtime Book of Impossible Questions, this audiobook provides EVEN MORE answers to the weird, wonderful and sometimes downright dumbfounding questions that buzz around kids' brains at bedtime – covering topics such as philosophy, science, nature, animals, geography, culture and more. With fascinating but short, succinct answers and inviting sound effects, it really is the ideal listen for curious kids.

Alan Shepard's boyhood fascination with flight led him from constructing model airplanes in his grandfather's basement to attaining national hero status in the race to space. Rooted in hard work and education, this pioneer's dreams of flight came true as he became not only the first American launched into space but, later, one of the privileged few to walk on the moon. When he wasn't soaring above the clouds, astronaut Alan Shepard used his expertise to benefit others, raising money to fuel the dreams of science students and guiding NASA missions.

Have you ever heard about the cookie-cutter shark, which bites out cookie-shaped morsels of flesh from much larger animals than itself? Or the goblin shark, which was thought to have become extinct 100 million years ago until a living specimen was discovered in 1898? And did you know that the whale shark has jaws the size of a 12-year-old child? The earth is home to over one billion sharks across 500 different species, and there's so much to learn about these ancient rulers of the ocean!