検索キーワード： 物事の仕組み

Looking to build some cool moving machines? Think small! Craft a tiny Ferris wheel or a super-small wobbling UFO. You might even make an itty-bitty disco ball. Tiny machines are tons of fun!

Think pro football begins with the opening kickoff? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional football—from pregame tailgating and prepping the pigskins to halftime shows and postgame interviews.

Think pro basketball begins with the opening tipoff? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional basketball—from cleaning the hardcourt and mascot madness to locker room pep talks and postgame interviews.

Think big league baseball begins with the opening pitch? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional baseball—from prepping the diamond and welcoming fans to hawking hot dogs and broadcasting from the booth.

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

From hospital and police codes to Cockney slang, spoken codes can be both helpful and entertaining. Learn the history behind some of today’s most useful and popular codes, and then have fun creating a language all your own.

Did you see a flagpole today? Then you’ve seen a pulley at work! These simple machines are all around. Take a listen and discover 13 different uses for pulleys.

Imagine you arrive at school and realize you forgot to feed the dog. No problem. Pull out your phone and command the dog dish to dispense a serving of food. That's all there is to it—if you live a smart home. What once sounded like science fiction is now a reality for some families.

A virtual assistant by any name—Alexa, Siri, whoever—can be a sweet addition to your home. You might use one for simple jobs like playing music or streaming podcasts. And you might use one to communicate with friends and remind you about homework coming due while helping you make your breakfast. Find out how digital assistants work and what the future might hold for this part of a high-tech home.

Did you put the cap on the toothpaste tube today? Then you’ve used a screw! These simple machines are all around. Take a listen and discover 13 different ways we use screws.

Did you use a fork today? Then you’ve used a lever! These simple machines are all around. Take a listen and discover 13 different ways we use levers.

The United States keeps its gold safe at Fort Knox. How is this done? There are fences, locks, guards, and more. Learn more about this high-security place!

Air Force One keeps the U.S. president safe while flying. Learn more about the features that protect this amazing plane. Also find out how team members protect the president as he travels on Air Force One.

How can important information and valuable items be kept safe as years pass? Many of these items are stored in underground vaults, including recordings and photos from U.S. history, important documents, and more. Locks, guards, secret passwords, and technology all play a part in the protection of the items.

Nuclear weapon bunkers keep the world's dangerous nuclear weapons safe. Guards, electronic security systems, and barriers protect the bunkers. Learn more about these high-security places!

Streaming puts a world of options at your fingertips when you’re at home and, with a smartphone or tablet, when you're on the go. Find out how streaming was invented, how it works, and what the future might hold for this part of a high-tech life.

The wheel was invented more than 5,000 years ago, and it has brought some awesome vehicles our way. But this invention isn't done giving! Take a tour of some of the most unique and fascinating vehicles around.

Did you ride a bike today? Then you’ve used wheels and axles! These simple machines are all around. Take a listen and discover 13 different ways we use wheels and axles.

Searching for easy engineering projects for your makerspace? You've come to the right place! From winches and gears to bridges and marble runs, these 10-minute STEM projects will have kids making in no time!

Explore the wonders of the world and the furthest frontiers of space – and learn to build the universe’s most incredible sights with LEGO bricks! Look inside volcanoes, travel to the deepest depths of the ocean, find out what happens inside a black hole, send a message to aliens, and much...