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 50 of 86
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A kernel is a computer program. It is the boss of the computer. It tells the parts how to work. It helps your apps run well. It keeps the computer safe. Do you like using computers?
Early Reader · Change the reading level on the articleKerry Packer was a big boss. He owned many TV stations. He also owned many magazines. His family business was very large. He was a very rich man. Do you like to watch TV?
Early Reader · Change the reading level on the articleA kettle heats up water. It can sit on a stove. Some use plugs for power. It helps us make hot drinks. We use it every day. Do you like hot tea?
Early Reader · Change the reading level on the articleKevin was a man who used computers. He broke into many computer systems. This was against the law. He had to go to jail for it. Later, he helped companies stay safe. Do you like computers?
Early Reader · Change the reading level on the articleThis is a very strong thread. It can be made into tough cloth. It helps keep people safe. It even helps make fast boats. It is much stronger than steel. Can you think of something strong?
Early Reader · Change the reading level on the articleA key is a secret code. It uses letters and numbers. It hides your private things. This keeps your secrets safe. It is like a lock for your data. Do you have a secret code?
Early Reader · Change the reading level on the articleKFC is a place to eat. They sell fried chicken. It is very tasty. They use a special recipe. You can find them in many lands. They even use a bucket! Do you like chicken?
Early Reader · Change the reading level on the articleKhoo Teck Puat was a man with much money. He owned many hotels. He also helped build a big hospital. This hospital is named after him. It helps many people get well. Do you know any big hospitals?
Early Reader · Change the reading level on the articleKia Silverbrook is a man who makes things. He lives in Australia. He has many new ideas. He makes things like printers and tools. His work helps us every day. Do you like to make new things too?
Early Reader · Change the reading level on the articleA scooter has wheels. You stand on it. You push with one leg. It helps you move fast. It can be a fun toy. Do you like to ride one?
Early Reader · Change the reading level on the articleKiichiro Toyoda loved cars. He helped start a big car company. His family made machines for cloth before. He worked hard to make cars for people. His work helps us drive today. Do you like cars?
Early Reader · Change the reading level on the articleA kiln is a very hot oven. It makes things very hard. It can turn clay into pots. It can make bricks for houses. We use things made in kilns every day. Do you have a clay bowl?
Early Reader · Change the reading level on the articleKing Gillette was a smart man. He made a new tool for shaving. It used tiny metal blades. You could throw the old ones away. This helped many men. Do you use tools like this?
Early Reader · Change the reading level on the articleKirk Kerkorian was a busy man. He built very big hotels. He also flew many planes. He gave much money to help people. He was a kind man. Do you like big buildings?
Early Reader · Change the reading level on the articleLong ago, big boats sailed in Japan. They carried rice on the sea. These boats helped people get food. They moved things from place to place. Now we use trains instead. Do you like big boats?
Early Reader · Change the reading level on the articlePeople can make tools from stone. They hit the stone with a hard tool. This makes small pieces fall off. Now the stone is a sharp tool. This helps us do many jobs. Can you imagine making a tool from a rock?
Early Reader · Change the reading level on the articleA switch moves power. It uses a metal lever. You push it into a slot. This lets the power flow. It helps us turn things on. We use them to see how things work. Do you like to see how things work?
Early Reader · Change the reading level on the articleGroups use what they know to do good work. They share ideas to learn new things. This helps everyone do a better job. It is like a team working together. Do you like to share what you know?
Early Reader · Change the reading level on the articleKodak makes things for photos. They made cameras a long time ago. They also made the film for them. This helped many people take pictures. It is fun to look at old photos. Do you like taking pictures?
Early Reader · Change the reading level on the articleTrains run under the ground. They help people move in the city. The trains are fast. They carry many people every day. This helps the busy streets. Do you like riding trains?
Early Reader · Change the reading level on the articleThis is a big paper from Russia. It tells news about jobs and leaders. It has many stories for people. It helps us learn about the world. We can read it every day. Do you like to read news?
Early Reader · Change the reading level on the articleKompas is a big news paper. It is from a place called Indonesia. It tells people what is happening. You can read it on paper. You can also read it online. It is a very big paper. Do you like to read news?
Early Reader · Change the reading level on the articleA man named Matsushita made things. He started a big company. It is called Panasonic. He made lamps for bikes. He made many tools for homes. His work helps us today. Do you use his things?
Early Reader · Change the reading level on the articleTrains run in South Korea. Many trains carry people. Some are very fast. They go to big cities. They help us travel. Do you like train rides?
Early Reader · Change the reading level on the articleKorean Air is a big airline. It flies planes from South Korea. The planes carry people to many cities. They also carry heavy things. This helps people all over the world. Do you like to fly in planes?
Early Reader · Change the reading level on the articleKotlin is a way to talk to computers. It helps people make apps for phones. It can work with other computer tools too. This helps people build new things. It is a very helpful tool. Do you like apps on your phone?
Early Reader · Change the reading level on the articleKPMG is a big group of workers. They help people with money. They work in many places. They help keep things fair. This helps the world work well. Do you like to help others?
Early Reader · Change the reading level on the articleKristen Nygaard helped make computers work. He made new ways to use them. He lived in a place called Norway. His work helps us use computers today. He was a very smart man. Do you like using computers?
Early Reader · Change the reading level on the articleKroger is a big store. It sells food for you. It has many stores in the USA. You can find milk and fruit there. It helps us buy what we need. Do you like to shop?
Early Reader · Change the reading level on the articleThe KTX is a fast train. It zooms across South Korea. It helps people travel far very fast. You can ride it to see new places. It is a very cool way to go! Do you like fast trains?
Early Reader · Change the reading level on the articleTrains run under the ground in Kyiv. They help people move fast. The trains go through long tunnels. One station is very deep down. It is a very big system. Do you like riding trains?
Early Reader · Change the reading level on the articleKyodo News tells stories. It is in Tokyo. It sends news to many places. Many people read its news. It helps us know what is happening. Do you like to read the news?
Early Reader · Change the reading level on the articleScientists use glass tools. These tools hold liquids. Some are tall and thin. Some are short and wide. They help us learn new things. Can you find a glass jar?
Early Reader · Change the reading level on the articleA big water path runs through Seattle. It joins two big lakes. It also joins the sea. Boats use it to travel. It helps people move things. Do you like boats?
Early Reader · Change the reading level on the articleLakshmi Mittal makes steel. He has many big factories. He helps people by giving money. He helps doctors and kids. He even helps sports stars. He is very busy. Do you like steel?
Early Reader · Change the reading level on the articleA man named LaMarcus made fun rides. These rides go up and down. They use gravity to move. People love to ride them. He made many new rides. Do you like fast rides?
Early Reader · Change the reading level on the articleA long tube helps us study things. Liquids slide through it like cards. Some parts move fast. Some parts move slow. This helps us see how things change. It is very neat to watch. Can you imagine a tube like this?
Early Reader · Change the reading level on the articleA lance is a long tool. It looks like a big spear. People used it on horses. It helps them reach far away. It was used in many lands. Do you want to see a long lance?
Early Reader · Change the reading level on the articlePlanes use wheels to touch the ground. These wheels help the plane park. They also help it move. The wheels stay strong for the landing. This keeps the plane safe. Do you like to see planes land?
Early Reader · Change the reading level on the articleA landline is a phone in your home. It uses a wire to work. The wire goes to your house. You can talk to friends this way. It stays in one place. Do you have a phone with a wire?
Early Reader · Change the reading level on the articleComputers use code to work. Sometimes code needs to talk to other code. A binding is like glue. It helps two different codes work together. This helps people use old code in new ways. It is very helpful! Can you…
Early Reader · Change the reading level on the articleA lantern is a light. It helps us see in the dark. It can use a candle or a battery. It keeps the light safe from wind. It helps people find their way. Do you like bright lights?
Early Reader · Change the reading level on the articleA laptop is a small computer. It can sit on your lap. You can take it anywhere. It has a screen and keys. You can play games on it. Do you like to use computers?
Early Reader · Change the reading level on the articleThis is a big paper from Italy. It tells people the news. People read it to learn about the world. It has many stories. It helps us know what is happening. Do you like to read the news?
Early Reader · Change the reading level on the articleLarry Ellison is a man who works with computers. He helped start a big company. This company makes special computer tools. He is very, very rich. He even owns much of a big island. Do you like computers?
Early Reader · Change the reading level on the articleLarry Page helped make Google. He loves computers. He also loves music. He worked with a friend to build it. Now, we can find things fast. Do you use Google to learn?
Early Reader · Change the reading level on the articleLarry Sanger helps people learn. He helped start a big online book. It is called Wikipedia. He likes to think about big ideas. He works to make sure facts are right. Do you like to read online books?
Early Reader · Change the reading level on the articlePeople used big discs to watch movies. These discs were large. They were like big music records. The discs helped show movies at home. They made the pictures look good. Do you like to watch movies?
Early Reader · Change the reading level on the article