検索キーワード： 科学・テクノロジー

Have you ever looked at a skyscraper and wondered how it was built? Do you ever look up at a tall building and wonder how it does not fall down? This story helps you explore the changes that have led to the creation of skyscrapers! You will get to see the different materials that have been developed to allow for better stability. You will get to understand how things like iron, steel, and concrete have revolutionized the way buildings are built and designed. By the end of this story, you will have a new appreciation for the skyscrapers that are all over the world!

Artificial replacement joints have to be tough and extra smooth. That’s why doctors use replacement joints made with the same long-lasting and strong stuff as sapphires and rubies, a natural mineral called alumina. Learn more about why this gemstone is perfect for making new joints!

Some kids are born missing a hand or fingers, others lose them because of accidents. Find out how people are printing artificial hands on 3-D printers to help those who need a hand. They are cheap, easy to build, and really work!

In medicine, machines can be used to take detailed pictures of bones and even to save people’s lives. Listen to learn about the marvelous machines of modern medicine, like the defibrillator, the x-ray machine, and more!

Auto racing is all about aerodynamics. Racecars use two different forces, lift and drag, to fly around the track. Find out how the cars use these forces, and then “fly” your own racecar with a fun experiment!

Can you imagine having to sit still for 30 minutes just to have your picture taken? Or having to send film away to be developed? Technology has come a long way since then! Listen to learn about photography inventions like flashbulbs, Kodak and Polaroid cameras, and more!

Have you ever wondered how tall and long bridges are built? Learn about three different bridges and try the activities to learn about how strong bridges, like the Golden Gate Bridge, are made.

Thing aren't always what they seem! Did you know different things such as milk, oranges, and butterflies can look different as they get older? With this book, children will learn how life cycles affect the colors of different things. What else can change how it looks as it gets older?

Many inventors throughout history have built cars. Some tried powering their machines with steam, others tried modeling their designs on horse-drawn carriages, and one even found a way to make the car work on land and sea!

Did you know that writing letters used to be the only way to communicate with people far away? Samuel F.B. Morse changed all of that when he invented the telegraph and Morse code! Using wires and electromagnetism, Morse found a way to communicate over long distances almost instantly. This new technology paved the way for the telephone, as well as the other methods of communication we use today!

If you’re looking for a great invention, look no further than your bathroom or kitchen! Did you know that the first flushing toilet was invented four thousand years ago? Or that a melted chocolate bar sparked the discovery of the microwave? Learn about these great inventions and more!

Would you believe that two NASA scientists used a baby toy to inspire their design for the next generation of space explorers? Listen to learn about how Adrian Agogino and Vytas SunSpiral designed the SUPERball Bot and what their plans are for the future.

Follow Detective Dobson as he investigates Earth's greatest "mass murderer" that led to the greatest extinction event in Earth's history nearly 250 million years ago. Dobson will travel the world investigating fossils—the evidence left behind by the killer that was left behind in the Earth’s crust. Who really was the killer? Was it a Volcano, Climate Change, Poisonous Gas? Help Detective Dobson find the real suspect with paleontology and geology! Will Dobson ever be able to truly find the killer?

¿Sabes cuál es el verdadero color de un oso polar? ¿O que los ojos del avestruz son más grandes que su cerebro? En esta fascinante guía de nuestro planeta descubrirás fascinantes acontecimientos históricos, asombrosos hechos científicos e intrigantes detalles sobre el cuerpo humano. Sorprende a tu familia y amigos con nuevos conocimientos.

Named for the god of war because of its blood-red color, Mars is the second-smallest planet in our solar system. Explore its cold canyons, ice caps, and more in this book about Mars.

If a black hole is not a hole, then what is it? Find out what black holes are, what causes them, and how scientists first discovered them. Learn how astronomers find black holes, get to know our nearest black-hole neighbor, and take a journey that will literally s-t-r-e-t-c-h the mind.

What would you do if you found an alligator in your garage? Or if you spotted a mountain lion downtown? In cities and suburbs around the world, wild creatures are showing up where we least expect them. Not all of them arrive by accident, and some are here to stay. As the human population tops seven billion, animals are running out of space. Their natural habitats are surrounded - and sometimes even replaced - by highways, shopping centers, office parks, and subdivisions. The result? A wildlife invasion of our urban neighborhoods.

Did you know that scientists can track animals? By tracking animals, scientists can see where animals migrate to and from. These trackers can be big or small and are different depending on the kind of animal being tracked. Learn about the different technology that is used for tracking!

Kids have always had amazing ideas, like how to keep your ears warm on a cold winter day or an icy treat to enjoy on a hot summer day. Learn about four young inventors and their inventions that helped to change people's lives.

Writing is very important to all of us! But did you know that people in the past did not have the same kind of writing instrument that we use today? Instead of using plastic or metals to create pens, people in the past used feathers to create pens! This story gives a brief history of what people used to write with and how they eventually developed the feather pen! Not only will you have a history of writing, but you will also learn how to create your very own feather pen!