検索キーワード： 物事の仕組み

From skyscrapers up above to tunnels down below, the structures people build are amazing. How are they built? And why? This volume includes Skyscrapers, Stadiums, and Tunnels.

From skyscrapers up above to tunnels down below, the structures people build are amazing. How are they built? And why? This volume includes Bridges, Dams, and Roller Coasters.

From immersive virtual reality games to social media with 3-D holograms, listeners can find out what cool new technologies might change the way they are entertained.

Die Neugier unserer Jüngsten kennt keine Grenzen. Alles wollen sie genau wissen und den ganzen Tag sind sie damit beschäftigt, uns Erwachsenen unzählige Fragen zu stellen. Wieso kaut die Kuh auch im Liegen? Wie belagert der Ritter eine Burg? Warum sind Feuerwehrautos rot? Wozu hat der Triceratops drei Hörner? Diese Hörspielreihe ist für alle Kinder gemacht, die noch nicht lesen können oder es gerade erst lernen. Sie entführt wissbegierige kleine Weltentdecker zu Geschichten und Schauplätzen, die ihnen am Herzen liegen und die sie begeistern.

Did you walk up a ramp today? Then you’ve used an inclined plane! These simple machines are all around. Take a listen and discover 13 ways we use inclined planes.

Books are made with paper. But what if we tried to make a book with metal? Copper, tin, gold, silver—would any of those materials work to make a book? Find out more about metal, its properties, and how it is produced. Then decide if you really could make a book out of metal.

Let the mission begin with this far-out series. This volume includes Mars Rovers, Robonauts, Rockets, and Space Shuttles.

BMX bikes speed through courses and over big jumps. There's lots of ways to make these bikes tougher and cooler. Listeners will love finding out how!

Go-karts are fun and fast. These small vehicles can be made even stronger and faster and listeners will love finding out how!

Sounds can be loud. Sounds can be soft. We use our ears to hear all kinds of sounds. But how is sound made? Let’s investigate to find out about sound!

Scientists put things into groups so they are easier to study. Materials have different properties. What are they, and how they are grouped? Let’s investigate materials!

In science fiction, invisibility cloaks let their users vanish from sight and sneak around unnoticed. How could one of these stealthy pieces of clothing work? Scientists have some ideas, which involve bending light. Discover the science and technology behind what it would take to make a real-life invisibility cloak!

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!

In science fiction, jet packs let people zoom through the air at high speeds. Discover the science and technology behind what it would take to make a real-life jet pack!

Imagine you arrive at school and realize you forgot to feed the dog. No problem. Pull out your phone and command the dog dish to dispense a serving of food. That's all there is to it—if you live a smart home. What once sounded like science fiction is now a reality for some families.

You probably use Wi-Fi all the time to connect to the internet through your laptop, tablet, or phone. It's easy. Wi-Fi hotspots surround you as you go through your day—from school to a pizza place or coffee shop, and then back home. Not so long ago, the internet wasn't as accessible. Find out how Wi-Fi works, how it became commonplace, and what it might do for you in the future.

Air Force One keeps the U.S. president safe while flying. Learn more about the features that protect this amazing plane. Also find out how team members protect the president as he travels on Air Force One.

In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!

In science fiction, hoverboard users glide above sidewalks on machines that look like skateboards with no wheels. How could one of these floating boards be created? Scientists have some ideas, which include using powerful magnets. Discover the science and technology behind what it would take to make a real-life hoverboard!

In science fiction, deflector shields protect ships, bases, and even planets from enemy attack. How could a protective space that absorbs energy from weapons be created? Scientists have some ideas, which include using lasers. Discover the science and technology behind what it would take to make a real-life deflector shield!