検索キーワード： 物事の仕組み

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!

Estas historias te demostrarán que los errores y los fracasos no tienen por qué significar el fin de tu sueño. De hecho, podrían ser sólo el principio. Inspírate para convertir tus errores en éxitos y encuentra el potencial que hay detrás de cada accidente.

Warum müssen Haie nicht zum Zahnarzt? Warum können Flugzeuge fliegen? Wo ist der Wind, wenn er nicht bläst? Um Fragen sind Kinder fraglos nie verlegen. Eltern um Antworten dagegen oft schon. Die sprichwörtlichen Löcher, die Kinder Mamas und Papas in den Bauch fragen – hier werden sie mit klugen und lustigen Geschichten gestopft. Was beispielsweise die Haie betrifft: Deren Zähne wachsen nach. Wieder was gelernt, oder?

Spielerisch, humorvoll, lehrreich – genau richtig für Vorschulkinder! Betreten verboten! In diesem Hörspiel erkunden Ralph und seine drei Freunde Georg, Mo und Belle einen Ort, der nicht jedem zugänglich ist: die Baustelle. Sie treffen Menschen, die dort arbeiten, und lernen eine Menge über die Maschinen, die zum Einsatz kommen. Außerdem erfahren sie, wie man vor langer Zeit ohne all die Hilfsmittel zurechtkam und welche besonderen Baumeister in der Tierwelt beeindrucken.

Mad about marvellous vehicles? Hit the road with writer and broadcaster James May to discover incredible human-powered vehicles – from bicycles and submarines to amphibious vehicles and even a helicopter.

In January 1776, George Washington had a problem: the British army controlled the city of Boston. The colonial army needed to force the British to leave. But how? Washington had a solution: ask his engineer Rufus Putnam to solve the problem. They needed to take control of the high ground, Dorchester Heights, just south of Boston. They could place cannons there to bombard the British army.

This book is about waterdrops and all the different things they create. Every lake starts with one waterdrop at a time. Keep adding waterdrops to any area and it will form a body of water of some kind. A creek, a stream, a river, a lake or even an ocean. They are all created one waterdrop at a time.

Peter Lustig hat mal wieder eine "bahnbrechende Erfindung" gemacht: Einen vollautomatischen Rauchabsauger hat er entwickelt, der jedes Feuer im Nu unschädlich machen soll. Um das Gerät zu testen, sucht Peter die Feuerwache Bärstadt auf – und stolpert dabei prompt in einen richtigen Einsatz. Hautnah erlebt er, wie Mensch und Technik bei der Feuerwehr zusammenspielen, um zu retten, zu löschen und zu schützen. Und auch Peter selbst soll dabei noch eine große Rolle spielen.

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.

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.

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.

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.

From the discovery of the Polio vaccine to the breakthrough in mRNA vaccines for COVID-19, this exploration of scientific inquiry celebrates the greatest developments to date in vaccine science. 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.

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.