General Motors
This company makes many cars. They make cars like Chevrolet. They also make Buick and Cadillac. These cars help us go places. We can ride in them. Do you like cars?
Early Reader · Change the reading level on the articleTechnology articles — Page 7
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 7 of 86
Geographic information system
Computers can make smart maps. These maps show where things are. They help us see our world. We use them to plan and work. They help us learn new things. Do you like looking at maps?
Early Reader · Change the reading level on the articleGeorge Stephenson
George was a man who loved machines. He built big engines that run on steam. These engines moved on metal tracks. They helped carry coal and people. This helped the whole world. Do you like fast trains?
Early Reader · Change the reading level on the articleGeorge Westinghouse
George was a great inventor. He made new things for trains. He made a way to stop them safely. This helped many people stay safe. He also helped bring light to homes. He was very smart. Do you like to build things?
Early Reader · Change the reading level on the articleGeothermal power
The Earth is very hot inside. We can use that heat. It makes power for our homes. This heat stays for a long time. It is a good way to get energy. Do you want to learn more?
Early Reader · Change the reading level on the articleGlasses
Glasses help us see well. They sit on your nose. They rest on your ears. Some glasses keep your eyes safe. They can even look cool! Do you wear glasses?
Early Reader · Change the reading level on the articleGlobal Positioning System
Space tools help us find our way. These tools use machines in space. They tell us where we are. This helps us go to new places. It is a big help to everyone. Do you like to explore?
Early Reader · Change the reading level on the articleGolden Gate Bridge
The Golden Gate Bridge is a big bridge. It goes over the blue water. It is a bright orange color. Cars and bikes use it to travel. It is a very famous place. Have you seen a big bridge?
Early Reader · Change the reading level on the articleGoogle is a big company. It helps us find things online. It has many tools like maps and video. These tools help us every day. We use them to learn. Do you use Google too?
Early Reader · Change the reading level on the articleGrace Hopper
Grace Hopper loved to learn. She worked with big computers. She helped them use English words. This made computers easier to use. She was a hero in the Navy. Do you like to learn how things work?
Early Reader · Change the reading level on the articleGrand Canal (China)
The Grand Canal is a long path of water. It connects rivers and lakes in China. It helps boats carry things. This helps people get food. It is very old. Do you like to ride in a boat?
Early Reader · Change the reading level on the articleGrenade
A grenade is a small tool. It can be thrown by hand. Some can be shot from a gun. It makes a loud noise. It can also throw small bits of metal. It is used in wars. Have you ever seen one in a movie?
Early Reader · Change the reading level on the articleGuglielmo Marconi
Guglielmo Marconi was a smart man. He found a way to send messages. He did not use any wires. This helped us talk from far away. It helps us today too. Do you like to talk on a phone?
Early Reader · Change the reading level on the articleGun
A gun throws things fast. It uses a push to move a small object. This push can come from air or a quick blast. Some guns are big. Some are small enough to hold. Do you want to learn more?
Early Reader · Change the reading level on the articleGustave Eiffel
Gustave Eiffel was a builder. He made many big bridges. He also helped build a famous statue. He even made a tall tower in Paris. His work helps us travel today. Do you like big buildings?
Early Reader · Change the reading level on the articleHammer
A hammer is a tool. It has a heavy head. It also has a long handle. You swing it to hit things. It can drive nails into wood. It helps us build things. Do you want to try it?
Early Reader · Change the reading level on the articleHandbag
A handbag is a bag. It helps you carry your things. You can carry it in your hand. It can also go on your shoulder. People have used bags for a long time. Do you have a bag to carry your toys?
Early Reader · Change the reading level on the articleHandgun
A handgun is a small tool. You can hold it in one hand. It is not a long gun. Some use it to stay safe. It is very small. Can you see it?
Early Reader · Change the reading level on the articleHard disk drive
A hard drive saves your work. It has spinning disks inside. A tiny arm reads the disks. This helps your computer remember things. It keeps things safe even when off. Do you have a computer?
Early Reader · Change the reading level on the articleHeating, ventilation, and air conditioning
Machines help keep our rooms just right. They make the air warm or cool. They also bring in fresh air. This helps us feel good. It keeps the air clean too. Does your house have one?
Early Reader · Change the reading level on the articleHeat treating
We can change metal with heat. We make it very hot. Then we make it cold. This makes the metal strong. It can also stay soft. It helps us make things. Do you like metal?
Early Reader · Change the reading level on the articleHelicopter
A helicopter can fly in many ways. It can go up and down. It can stay in one spot. It can even fly backward! This helps it land in small places. It uses spinning blades to fly. Have you ever seen one?
Early Reader · Change the reading level on the articleHelmet
A helmet keeps your head safe. You wear it on your head. It helps protect your brain. People wear them for sports or work. They can be made of hard plastic. Do you wear a helmet when you ride?
Early Reader · Change the reading level on the articleHigh-speed rail
Fast trains run on special tracks. They go very, very fast. Some look like bullets. They help us travel between cities. It is a fun way to go! Do you like fast trains?
Early Reader · Change the reading level on the articleHighway
A highway is a big road. It helps cars go far. People use them to visit cities. Long ago, people used horses on them. Now, we use fast cars. Do you like to go on long trips?
Early Reader · Change the reading level on the articleHistory of aviation
People have wanted to fly for a long time. Long ago, people tried to use wings. Some used kites to fly in the air. Later, big balloons went up high. Now, we have fast planes. Do you want to fly in a plane?
Early Reader · Change the reading level on the articleHistory of communication
People have many ways to talk. Long ago, people used speech. They also drew on rocks. These pictures told stories. Now we use tools to talk. It helps us share ideas. How do you tell a story?
Early Reader · Change the reading level on the articleHistory of computing hardware
People have used tools to count for a long time. Some tools use beads on sticks. Others use marks on bones. These tools help us do math. They make big jobs easier. Do you like to count things?
Early Reader · Change the reading level on the articleHoe (tool)
A hoe is a tool for gardens. It helps us move dirt. We use it to pull out weeds. It can also help plant seeds. It is a very old tool. Do you like to garden?
Early Reader · Change the reading level on the articleHome appliance
Machines help us at home. They do jobs like cooking. They help with cleaning, too. They give us more time to play. We use them every day. Do you have a machine at your house?
Early Reader · Change the reading level on the articleHoover Dam
The Hoover Dam is a big wall. It sits in a deep canyon. The wall stops the river. It makes a large lake. This water helps make power for us. It is a very big thing to see! Do you want to visit it?
Early Reader · Change the reading level on the articleHorace Greeley
Horace Greeley was a man who wrote news. He made a big newspaper. He told people to move West. This helped many families find jobs. He worked hard to share ideas. Do you like to read news?
Early Reader · Change the reading level on the articleHot air balloon
A hot air balloon flies in the sky. It has a big bag of air. A fire makes the air hot. The hot air helps it rise up. It carries people in a basket. It is fun to fly. Do you want to fly high?
Early Reader · Change the reading level on the articleHovercraft
A hovercraft can go on many things. It can go on water. It can go on land. It can even go on ice! It uses air to float. This helps it move fast. Do you want to ride one?
Early Reader · Change the reading level on the articleHoward Hughes
Howard Hughes loved to fly. He built big planes. He also made many movies. He was a very rich man. He worked hard on many things. Do you like planes?
Early Reader · Change the reading level on the articleHTML
This helps make web pages. It tells a computer where to put words. It also puts pictures on the screen. This makes the web fun to use. Do you like looking at websites?
Early Reader · Change the reading level on the articleHTTP
The web uses special rules to work. These rules help computers talk. You ask for a page. Then the computer sends it back. This makes the web work for you. Do you like to use the web?
Early Reader · Change the reading level on the articleHydroelectricity
Moving water can make power. It makes the light in your home. This power comes from rivers. It is very clean. It helps us all. Can you see a river?
Early Reader · Change the reading level on the articleIBM
IBM is a big tech company. It makes many things. They help make computers work. They even help people in space! IBM is very old. Do you like computers?
Early Reader · Change the reading level on the articleIliad
The iLiad is a small tool. It helps you read books. You can read on its screen. You can even write on it. It is like a tiny book. Do you like to read books?
Early Reader · Change the reading level on the articleImage scanner
A scanner makes a digital picture. It looks at a photo or a page. Then it sends that image to a computer. This helps you save your work. It is very helpful! Do you want to scan a picture?
Early Reader · Change the reading level on the articleImprovised explosive device
Some people make homemade bombs. They hide them by the road. These bombs can be very dangerous. They can hurt many people. We must stay safe. Do you know how people stay safe?
Early Reader · Change the reading level on the articleIncandescent light bulb
A light bulb makes light. It uses a thin wire. This wire gets very hot. Then the wire glows. This helps us see at night. It is very bright. Do you use these at home?
Early Reader · Change the reading level on the articleIndian Institutes of Technology
These are big schools in India. They teach kids about machines. Students learn how to build things. This helps the whole country. It is a great place to learn. Do you want to build things too?
Early Reader · Change the reading level on the articleIndustrial design
People plan how things look. They make many of the same thing. This helps us use them well. It makes things look pretty too. Do you like how your toys look?
Early Reader · Change the reading level on the articleIndustrial engineering
Some people help things work well. They help people and tools work together. They find ways to stop waste. This helps make things fast and good. It makes work easier for us. Do you like to help things work well?
Early Reader · Change the reading level on the articleIndustrial park
An industrial park is a place for big work. These areas have many large buildings. They stay far away from where we live. They use big roads and trains to move things. This helps the many businesses work well. Can…
Early Reader · Change the reading level on the articleIndustrial robot
Some robots work in big factories. They can move like a human arm. They do jobs very fast. They help make things for us. They are very good at their work. Do you like robots?
Early Reader · Change the reading level on the article