Showing results for "Digital Media" in How Things Work

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?

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!

A bioengineer at Tel Aviv University in Israel explains how to extract renewable energy from a potato.

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!

Follow the construction workers as they move from the ground up to build a skyscraper.

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!

How does milk become delicious ice cream? A farmer milks cows. The milk is mixed and heated. Next a worker adds flavors. The mix gets cold. Listen to what happens step by step as ice cream is made....

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.

Where does milk come from? Cows eat grass. They make milk in their bodies. Next a farmer uses a machine to take milk from the cows. Then what happens? Follow the story of milk step by step.

How does a seed turn into a tasty apple? The seed spouts. The tree grows. Then the tree flowers. Next small apples grow. The apples ripen. Listen to how apples grow step by step.

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.

Honey is a sweet treat! But where does it come from? Flowers open. A bee flies to the flowers. The bee drinks nectar. The bees fly home. Discover what happens next in the process of making of honey.

How does a cocoa bean become a delicious chocolate bar? Cocoa beans ripen. Workers open the pods. Next the sun dries the beans. The beans are roasted. Find out what step happens next in the process of making chocolate.

Do you know how to create an algorithm? These cats sure do! Author Brian P. Cleary offers a fun and accessible introduction to algorithms with the help of the CATegorical cats.

Can cats code? These cats sure can! Computer bugs come to life with playful rhyming verse. Listeners will learn about types of errors that can bring a computer to a crawl. And they'll discover these bugs aren't so scary - all thanks to debugging!

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 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.