Showing titles in How Things Work

Kaboom! Find out how explosions are used to demolish large buildings. Demolition experts say it's the safest way. Learn why!

Tugboats are tiny boats that fill a big role. Kids will discover how tugboat push and pull larger boats, like barges, through narrow waterways. Using a thick, strong rope, the tugboat guides big cargo boats through the harbor by helping to turn them.

Ever wonder why a smoke alarm goes off? A battery, siren, and metal can work together to detect smoke and sound the alarm when catching a whiff of smoke.

Follow the construction workers as they move from the ground up to build a skyscraper.

Have you ever wondered how fireworks work? This article gives you information about how these spectacular shows are created.

A bioengineer at Tel Aviv University in Israel explains how to extract renewable energy from a potato.

Our world runs on energy! But traditional fossil fuels are doing great damage to the environment, and they will eventually run out. How might solar, water, wind and geothermal power come to our rescue? Listeners can discover how different the world could look in the future with energy sources that are clean and renewable.

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.

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!

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!

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!

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, 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!

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.

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!

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!