Showing titles in How Things Work

What would we do without wheels? We use wheels for all kinds of things, including transportation. Learn about alternatives for transportation other than the wheel! Do you use any of these different ways of moving around?

Have you ever wondered how buildings are created? Architects have to use lots of different shapes in order to build a structure. Many geometric shapes are needed to create building designs. Can you find the different shapes in historical landmarks from all over the world?

Click and his friends wish to live in their favorite tree like the friendly squirrels. They decide to build a treehouse—but first they must collect the necessary materials and learn what tools they'll need for the job! They find a hammer, saw, level and measuring tape. What safety tools with they need to build their treehouse?

Have you ever seen a bird nest? Birds make all kinds of different nests! Nests are made from lots of different kinds of materials and are shaped differently. Learn about the different kinds of nests that are made by different species of birds!

Bridges are engineering marvels! It takes a civil engineer, chief engineer, structural engineer and environmental engineer to build a bridge. There are different kinds that each require a special construction process to build. Learn how different bridges such as beam, suspension and arch bridge types are designed and built, as well as the construction workers needed at specific stages.

Have you ever wondered how big cities are created? Learn how small towns start with just a few houses and farms, and then grow into large cities with many roads, buses, and skyscrapers! See how cities grow and change throughout history by the growing population of people living, working and shopping among each other.

Popcorn is a yummy snack–how is popcorn cooked? From an un-popped kernel, heat boils the water that the kernel naturally has inside it. The water turns into steam after it builds up inside. Scientists used cameras to discover how corn popped! What’s inside the kernel to make an explosive change happen–turning a kernel of corn into a tasty buttery treat–popcorn?

Have you ever wondered how a penny or dime is made? Coins are made from metal in factories called mints. First, an artist draws a picture of the coin, next clay is used to make a mold made from plastic. Then a machine engraves and designs a piece of metal–these metal pieces will be used to make stamps called dies. In the United States, there are only four factories–can you guess where?

Ada wants to win a prize one day for her inventions. She has many ideas. When it’s time to clean up her blocks, Ada has a great idea to make clean-up time easier. Ada thinks to use her father’s old socks to invent a way to stay on her two feet on an icy day! Ada’s ideas to recycle old things makes her a great inventor!

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.

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.

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 machine learning to virtual surgery practice, this exploration of scientific inquiry celebrates the greatest developments to date in medical artificial intelligence. 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 computers follow instructions so well? Or how they do math so quickly? Basic principles of coding, including variables, binary code, loops, programming languages, and more, are explored in this newest engaging addition to the How Do series.