検索キーワード： 物事の仕組み

The world can be a dangerous place. Over time, animals evolved many natural defenses to help them survive. Combat during wartime is extremely dangerous. Why not look to nature to find the best defenses for soldiers on the battlefield? Military forces have done just that for hundreds of years. From the armor of medieval knights to tomorrow's advanced camouflage, learn how military technology often mimics the traits of animals to help protect soldiers in combat. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

Animals have played an important role in warfare throughout history. Military forces have long relied on animals' natural abilities to achieve their missions. From medieval warriors charging into combat on horseback to dolphins locating explosive mines at sea, learn about the many ways animals have helped armies find success on the battlefield. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

In the wild, animals use teeth, claws, and other natural weapons to attack their prey. On the battlefield, soldiers need weapons to fight the enemy. Military forces have often looked to nature for inspiration to develop effective weapons and combat tactics. From the first feathered arrows to tomorrow's high-tech weaponry, learn how military technology often imitates the natural weapons of animals to help soldiers succeed in combat. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

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.

Emerging listeners can race through city streets with a fire truck, plant crops with a tractor, and travel the world with an airplane. This volume includes An Airplane's Day, A Backhoe's Day, A Bulldozer's Day, A Dump Truck's Day, A Fire Truck's Day, and A Tractor's Day

What happens to garbage after it is picked up? Where does water go? Discover what happens to garbage, recycling, water, and mail after it leaves the home.

Eat up! Discover how different foods get from farms and gardens to our tables in this fun series. This volume includes From Seed to Jam, From Tree to Paper, From Vine to Pizza, and From Wheat to Bread.

Let the mission begin with this far-out series. This volume includes Earth Satellites, The Hubble Space Telescope, The International Space Station, and Lunar Probes.

Vroom! Engines roar and wheels turn in this fun series. Exciting facts about different machines engage beginning listeners while simple, predictable text that aid them on the first step of their literacy journey.

Eat up! Discover how different foods get from farms and gardens to our tables in this fun series. This volume includes From Cow to Cheese, From Flower to Honey, From Garden to Pickle, and From Sand to Glass.

How do machines help us work? What jobs are these large vehicles built for? This series is perfect for the youngest of listeners who just can't get enough of trucks, trains, planes, and other big machines.

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.

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.

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.

Physik ist zu kompliziert, Chemie ist langweilig und Biologie doof: Wer als Kind kaum Kontakt mit den Naturwissenschaften hatte, findet in der Schule oft nur schwer den Zugang. In 100 Experimenten zu unterschiedlichsten Themengebieten wie chemische Reaktionen, physikalisch-mechanische Effekte, Natur & Umwelt, Wetter & Klima, Pflanzen, Insekten oder Optik & Licht kann Ihr Nachwuchs nicht nur auf unterhaltsame Weise seinen Forscherdrang ausleben, sondern begreift spielerisch und altersgerecht grundlegende Zusammenhänge.

What does a light bulb require to burn bright? What happens when a light bulb burns out? Discover how filament, made of one of the heaviest metals, a mixture of two gases, a 60-watt light bulb, and electric currents make this bright idea more than just a bright light! The amazing science behind the light bulb awaits you!