検索キーワード： 物事の仕組み

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.

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.

How do peanuts become creamy peanut butter? A farmer grows peanuts. The sun dries the plants. The peanuts are picked and sorted. Machines remove shells. Follow the process step by step as peanut butter is made.

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.

From the stethoscope to the clinical trial, this exploration of scientific inquiry celebrates the greatest inventions in medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

Cats can code? These cats sure can! Playful rhyming verse introduce coding languages and syntax. Listeners will learn why we need special languages for coding and examples from a number of languages. And they'll quickly find out why correct syntax is key for avoiding up-mixes mix-ups!

From the first immunosuppressant drugs to the first successful heart transplant, this exploration of scientific inquiry celebrates the greatest developments to date in transplant medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine.

How does salt go from the sea to flavoring your food? Workers pump seawater into ponds. Salt crystals form as the water dries up. See what happens step by step in the process of making salt. 

From laboratory robots to robotic prosthetics, this exploration of scientific inquiry celebrates the greatest developments to date in medical robotics. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

Have you ever wondered how molecules form groups or how forces in chemistry interact? Basic principles of chemistry, including atoms, the elements, compounds, reactions, and more, are explored through informative and engaging text in this new addition to the How Do series. The How Do series is a great introduction to various STEM topics, each written in a format that encourages audiences to ask questions and guess the answers before exploring the science behind them.

Have you ever wondered how astronauts float in space, or how your pizza gets from your plate to your mouth? Basic principles of physics, including learning about distance, displacement, speed, velocity, acceleration, forces, friction, gravity, and Newton’s laws of motion, are explored through informative and engaging text in this newest addition to the How Do 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.

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.

How does a seed become a yummy ear of corn? A farmer plants seeds. The seeds change into plants. Plants grow. Soon cobs grow on the plants. Learn about the life cycle of corn step by step.

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.

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.