Showing titles in How Things Work

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.

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?

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?

The unbelievable true story of the American soldiers who used inflatable tanks and fake radio broadcasts as weapons in World War II. Right around D-Day of World War II, a small, unarmed American army unit deployed to Nazi-occupied France. Instead of artillery, this unit fought with stagecraft...

Motor Mille elsker store, hurtige og vilde maskiner så meget, at hun har lavet en række programmer om det på DR Ramasjang. Hun har sejlet, ræset og fløjet i dem alle og fortæller historierne om, hvordan det gik. Man får også at vide, hvor hurtige og tunge maskinerne er, så man kan fortælle det, hvis man skulle støde på en af dem ude i virkeligheden.

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!

En la historia del cine abundan personas creativas, sueños, costumbres, formas de vida, avances tecnológicos... Desde la primera exhibición pública en Francia hasta la llegada de la TV a las casas, una buena parte del siglo XX contada a través del cine, sus personajes y sus hacedores...

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!

Many inventors throughout history have built cars. Some tried powering their machines with steam, others tried modeling their designs on horse-drawn carriages, and one even found a way to make the car work on land and sea!

Have you ever wondered how tall and long bridges are built? Learn about three different bridges and try the activities to learn about how strong bridges, like the Golden Gate Bridge, are made.

In medicine, machines can be used to take detailed pictures of bones and even to save people’s lives. Listen to learn about the marvelous machines of modern medicine, like the defibrillator, the x-ray machine, and more!

If you’re looking for a great invention, look no further than your bathroom or kitchen! Did you know that the first flushing toilet was invented four thousand years ago? Or that a melted chocolate bar sparked the discovery of the microwave? Learn about these great inventions and more!

Auto racing is all about aerodynamics. Racecars use two different forces, lift and drag, to fly around the track. Find out how the cars use these forces, and then “fly” your own racecar with a fun experiment!

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.

¿Cómo aprenden divirtiéndose los niños y las niñas? Este fascinante libro da respuesta a algunas de las preguntas más interesantes y divertidas que les encanta hacer, por ejemplo: “¿Cómo pueden vivir los camellos en el desierto?” o “¿Cómo respiran los peces bajo el agua?”.

Brumm! Brumm! Der scheppernde Lastwagen transportiert Bauutensilien zur nächstgelegenen Baustelle. Aber nicht nur der Lastwagen ist in diesem Hörspiel im Einsatz, sondern auch ein kleines, rotes Auto, das zur Inspektion in die Werkstatt muss. Entdecke im Hörspiel, nach dem gleichnamigen Buch von arsEdition, die Klangwelt verschiedener Fahrzeuge!

Der Zug rattert aus dem Bahnhof - die große Reise kann beginnen! Welches Geräusch macht eigentlich das Flugzeug? Und an welchem Ton erkennt man das Schiff, das in den Hafen einläuft? In diesem Hörspiel, nach dem gleichnamigen Buch von arsEdition, begleitest du verschiedene Fahrzeuge auf ihrer großen Reise.

Time is central to our experience as humans, and it’s important for children to know not just how to tell the time, but also how to make the most of it. About Time will help them learn how to tell the time on a variety of devices, and about all the different ways humans have tried to do this...