Showing titles in How Things Work

In mid-1860s, two railroad companies had a huge job in front of them: building the transcontinental railroad. The railroad would run from east to west across the United States. As the grueling work began, there were many choices to make. Now, the choices are yours.

Microwaves heat our food. They carry messages from phone to phone. They help detect the weather. Microwaves are all around us, even if we don't see them. Listeners will learn about microwaves and how we use them every day.

What does it take to make a tough tower? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best tower around!

Animals have many traits that help them survive in the wild. Inspired by animals' incredible abilities, military forces have created many machines over the years to achieve success on the battlefield. From the first remote-controlled vehicles to the advanced machines of tomorrow, learn how military robots and drones often imitate the abilities of animals throughout nature. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

Radio waves aren't just for listening to your favorite radio station! They are used to make GPS receivers and wireless internet work. Scientists use radio telescopes to help them study space. Listeners learn about radio waves and how we use them every day.

Hear about some of the world's fastest transportation breakdowns. Find out how each form of transportation failed, the basic engineering missed during construction, and what engineers learned from their mistakes.

Hear about some of the world's biggest building blunders. Find out how each structure failed, the basic building block that was missed during construction, and what engineers learned from their mistakes.

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.

Does your child love to build, explore, experiment, and ask big questions about the world around them? Noa The Little Scientist: STEM Careers for Curious Kids introduces young listeners to a wide variety of fun, exciting, and real-world science, technology, engineering, and math (STEM) careers.

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 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?

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!

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 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.

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 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?

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!

ATVs tackle the toughest land around, but there are lots of ways to make these vehicles faster and cooler. Listeners will love finding out how!