Explore inventions, engineering, computing and the tools people build to solve problems. Choose an article below; its reading controls let you move between the available levels.
4,107 public articles · Page 39 of 86
Franky Zapata makes things that fly. He made a board that flies in the air. It uses small engines to go up. He flew it over the sea. It was a big dream for him. Would you like to fly on a board?
Early Reader · Change the reading level on the articleFrank made a special machine. It helps fix ice rinks. It cleans the ice. It makes the ice smooth for skating. This helps people play games. Do you like to skate on ice?
Early Reader · Change the reading level on the articleFranz was a man who made clothes. He made a special suit. He wanted it to help people fly safely. He tried to test it at a tall tower. Sadly, the suit did not work. He died during his test. Do you like to learn about…
Early Reader · Change the reading level on the articleThis is a very fast train. It is in a land called Italy. It can go very, very fast. It helps people travel far. It is a red arrow. Do you like fast trains?
Early Reader · Change the reading level on the articleFreddy Heineken was a businessman. He ran a big company. He helped his company grow. People all over the world knew it. He lived in a place called the Netherlands. Do you know any big companies?
Early Reader · Change the reading level on the articleA man named Frederick made new ways to take photos. He made pictures look very clear. This helped many people take photos. He gave his ideas to the world for free. He was a kind man. Do you like to take photos?
Early Reader · Change the reading level on the articleFred Terman was a teacher. He helped build a big place for new ideas. Many tech companies work there now. This helps us use new things. He was very smart. Do you like to learn new things?
Early Reader · Change the reading level on the articleFrederick was a man who studied work. He wanted to make jobs better. He looked at how people used tools. He even studied how to use shovels. This helped people work well. He was very smart. Do you like to find the…
Early Reader · Change the reading level on the articleFred Noonan was a man who knew the way. He worked on big ships. Then he worked in planes. He helped pilots fly over the sea. He was a very good guide. Do you like to find your way?
Early Reader · Change the reading level on the articleSome things are free to use. You can see them online. You can copy a book or a song. You can even change them. This helps us all learn. Do you like to share?
Early Reader · Change the reading level on the articleSome people work to help us use computers. They want software to be free for all. This means anyone can share it. It helps everyone learn. It is a kind way to work. Do you like to share your toys?
Early Reader · Change the reading level on the articleWe can dry food by freezing it. First, we make the food very cold. Then, the ice turns into air. This keeps the food's shape. It also keeps the taste good. Do you like dried snacks?
Early Reader · Change the reading level on the articleA freight train carries goods. It pulls many heavy cars. These cars carry things like coal. This helps move big loads. It is very useful for us. Do you like trains?
Early Reader · Change the reading level on the articleRadio signals can jump around. They move fast from one spot to another. This helps them stay clear. It stops other signals from getting in the way. This keeps our talk safe. Can you imagine a jumping signal?
Early Reader · Change the reading level on the articleA mixer is a special tool. It takes two signals. It makes new ones. This helps us hear radio. It helps us talk. It is very useful. Do you like radio?
Early Reader · Change the reading level on the articleMachines use sounds to talk. They change how high a sound is. This helps them send news. It can even open a garage door. Do you like to listen to sounds?
Early Reader · Change the reading level on the articleA man named Friedrich built a big company. He made colorful dyes for clothes. He also made gas for lights. This helped many people. His work was a big success. Do you like bright colors?
Early Reader · Change the reading level on the articleA man named Frederick worked with wood. He moved to a new land. He grew a big business. He sold much wood to people. His company is still very big today. Do you like to build with wood?
Early Reader · Change the reading level on the articleA frigate is a fast ship. It is built to move quickly. These ships help guard other boats. They can also scout for others. This helps keep the sea safe. Do you like big ships?
Early Reader · Change the reading level on the articleFrits Philips was a kind man. He led a big company. He helped many people stay safe. People in his city loved him. They called him Mister Frits. Do you know a kind person?
Early Reader · Change the reading level on the articleFritz was a man from Switzerland. He started a big company. The company makes medicine. This helps many people stay well. He worked hard to grow it. Do you know a big company?
Early Reader · Change the reading level on the articleA computer uses a path to talk. It carries data from the brain. This helps the parts work fast. It makes your computer run well. Do you like fast computers?
Early Reader · Change the reading level on the articleA pan helps us cook food. It is flat on the bottom. It has a long handle. We use it to make food brown. It is in the kitchen. Do you like to cook with a pan?
Early Reader · Change the reading level on the articleA fuel cell makes power. It uses air and fuel. This helps make light work. It can power big boats. It can even power cars. It is very cool. Do you want to see one?
Early Reader · Change the reading level on the articleFujitsu is a big company. It makes tools for computers. They help people use technology. This helps us work and play. They are in many places. Do you like using computers?
Early Reader · Change the reading level on the articleA big wave hit a power plant. The wave broke the power lines. The plant could not stay cool. This was a big problem. It made people leave their homes. Can you imagine a very big wave?
Early Reader · Change the reading level on the articleSome tools keep us safe. A special box pulls in bad air. It has a glass window. This window slides up and down. The box keeps bad dust away from you. It helps us work in labs. Do you like science?
Early Reader · Change the reading level on the articleSometimes bugs get into houses. People use a special gas to stop them. First, everyone must leave the building. Then, a big tent covers the house. The gas kills the bugs. Next, the air is cleaned out. Now the home is…
Early Reader · Change the reading level on the articleA computer uses small parts to work. These parts do one job. You can use them many times. They help make big jobs easy. This helps the computer stay fast. It is a smart way to work. Can you find a computer?
Early Reader · Change the reading level on the articleTwo cars ride on a hill. They are tied to one rope. When one car goes up, the other goes down. This helps them move together. It is a fun way to ride! Do you want to ride in one?
Early Reader · Change the reading level on the articleA funnel is a tool. It is wide at the top. It is thin at the bottom. It helps you pour things. It guides liquids into small holes. It makes a mess less likely. Do you have one at home?
Early Reader · Change the reading level on the articleA furnace makes warm air. It stays in your home. It keeps us cozy in winter. It helps us stay warm. Do you feel warm now?
Early Reader · Change the reading level on the articleThe main body of a plane is called the fuselage. It holds the people inside. It also holds bags and things to carry. This part helps the plane fly well. It keeps us safe in the air. Do you like to fly in planes?
Early Reader · Change the reading level on the articleStars make lots of light. They use a special way to make heat. We can try to do this on Earth. It can make power for us. It is very hard to do. Can you imagine making power like a star?
Early Reader · Change the reading level on the articlePlanes use a new way to talk. They send messages to the ground. This helps them stay safe. It helps them find the right way. It is very smart. Do you like to fly in planes?
Early Reader · Change the reading level on the articleA fuze starts a big blast. It tells a tool when to work. Some work after a set time. Others work when they hit something. This keeps people safe. It makes sure the blast happens at the right spot. Does that make sense?
Early Reader · Change the reading level on the articleGalileo is a group of tools in space. These tools help us find our way. They work from high up in the sky. This helps you know where you are. It is a very smart way to travel. Do you like to use maps?
Early Reader · Change the reading level on the articleA galleon is a big ship. It uses wind to move. It has tall masts and white sails. These ships carry goods or fight in wars. They can travel far on the sea. Do you like big ships?
Early Reader · Change the reading level on the articleThis is a small game machine. It has a bright screen. You can play games on it. It can even play old games too. It comes in many colors. Do you like to play games?
Early Reader · Change the reading level on the articleA game controller helps you play. You use it to move in a game. You can press buttons or move sticks. It makes the game fun for you. Do you like to play games?
Early Reader · Change the reading level on the articleThe GameCube is a game box. It plays fun games on your TV. You use a controller to play. It has many great games. Do you like to play games? It helps you save your progress.
Early Reader · Change the reading level on the articleA game engine is a tool. It helps people make video games. It can make sounds and pictures. It makes the game work on many computers. This helps people make games fast. Do you like to play games?
Early Reader · Change the reading level on the articleA gaming computer is for play. It helps games look great. It can be a big box. It can be a small laptop. You can play games anywhere! Do you like to play games?
Early Reader · Change the reading level on the articleYou can make music on a computer. It lets you record your voice. You can play many sounds too. It helps you learn to play. It is a fun tool for you. Do you like music?
Early Reader · Change the reading level on the articleGary was a smart man. He helped make computers work. He made a special tool for them. This tool helped them talk to disks. It helped many people use computers. Do you like computers?
Early Reader · Change the reading level on the articleA man named Gary used computers. He went into many big computer systems. He wanted to find secrets about space. He did not have permission to do this. This caused a lot of trouble. Can you imagine being a computer…
Early Reader · Change the reading level on the articleA gas balloon floats in the sky. It is filled with light gas. This gas helps it rise up. It can stay up for a long time. You might see small party balloons. Do you like to look at the sky?
Early Reader · Change the reading level on the articleSome plants make power from gas. They burn gas to make heat. This heat makes electricity for us. It helps turn on your lights. It is a very big job. Do you use lights at home?
Early Reader · Change the reading level on the article