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 16 of 86
Special mirrors help us see well. They fix blurry light. This helps big telescopes see stars. It also helps doctors see your eye. The mirrors change shape to help. Can you see the stars clearly now?
Early Reader · Change the reading level on the articleA special tool helps us record music. It uses a small tape. This tape holds many sounds at once. It helps people make music at home. It was a big help for many. Do you like to make music?
Early Reader · Change the reading level on the articleA computer uses tools to add. These tools help it count. They work inside your computer. This helps the computer think. It is very fast! Do you like to count numbers?
Early Reader · Change the reading level on the articleSticky tape helps us fix things. It is a thin strip. It can be made of paper or plastic. It sticks when you press it down. It is very helpful to have. Do you use tape at home?
Early Reader · Change the reading level on the articleAdi Shamir is a smart man. He helps keep secrets safe on computers. He found new ways to hide things. This helps us use tools every day. He is a great inventor. Do you like secrets?
Early Reader · Change the reading level on the articleAdobe is a way to build homes. It is made of mud and straw. People dry the mud into bricks. These bricks make strong walls. They help keep you cool in the sun. Do you like mud?
Early Reader · Change the reading level on the articleAcrobat helps us with files. It lets us see digital papers. You can read them on a phone. It can also help you print them. This tool is very helpful for work. Do you use files on your computer?
Early Reader · Change the reading level on the articleThese are tools for computers. They help people make art. You can make movies. You can make web pages. They help us be creative. Do you like to make art?
Early Reader · Change the reading level on the articleFlash was a way to see things online. It made moving pictures and games. People used it for many years. It helped us watch videos on the web. Now, we use new ways to do this. Do you like playing games online?
Early Reader · Change the reading level on the articleAdobe makes tools for computers. These tools help people make art. You can fix photos with them. You can also make videos. They help us make things look good. Do you like to make art?
Early Reader · Change the reading level on the articlePhotoshop is a tool for pictures. It helps people change art. You can fix a photo. You can make new art too. It is very helpful for artists. Do you like to draw?
Early Reader · Change the reading level on the articleComputers use colors to show pictures. Some ways show many colors. This way shows bright greens and blues. It helps make colors look real. We can see beautiful colors on a screen. Do you like bright colors?
Early Reader · Change the reading level on the articleAdi made shoes for sports. He made shoes that help people run fast. He used many kinds of leather. He also made shoes with spikes. These shoes helped athletes win. Do you like to run in good shoes?
Early Reader · Change the reading level on the articlePeople study ads. They want to know if you like them. They ask questions to find out. This helps them make better ads for you. It is a fun way to learn. Do you like watching ads?
Early Reader · Change the reading level on the articleSome news tells a story to help. It wants to change things. It shares a point of view. This helps us see new ideas. It can help people in need. Do you like to share your ideas?
Early Reader · Change the reading level on the articleAn adze is a tool. It helps us work. People use it to shape wood. It can also help grow food. It is very old. Do you like to build things?
Early Reader · Change the reading level on the articlePlanes can get fuel in the sky. One plane flies near another. It gives fuel to the other plane. This helps them fly for a long time. It is like a gas station in the air. Can you imagine flying that high?
Early Reader · Change the reading level on the articleA sky tram flies in the air. It hangs on long ropes. It carries people up mountains. It can also carry heavy things. It is a fun way to ride. Do you want to ride in the sky?
Early Reader · Change the reading level on the articlePeople study how to fly. They build planes and rockets. Some use big balloons. This helps us travel far. It is very fun to see. Do you like to fly?
Early Reader · Change the reading level on the articleSome things float in the sky. They use light gas to stay up. This gas is much lighter than air. It helps them rise high. You can see them fly. Do you like to look at the clouds?
Early Reader · Change the reading level on the articleA tiny bug can make you sick. It lives in a fly. The fly bites people. Then you might feel very sleepy. This can happen in Africa. Doctors can help you feel better. Do you want to learn more?
Early Reader · Change the reading level on the articleAftenposten is a big newspaper. It is from a place called Oslo. It tells people the news. Many people read it every day. It has been around for a long time. Do you like to read news?
Early Reader · Change the reading level on the articlePeople tell news to the world. This group shares news from many places. They use photos and videos too. It helps us know what is happening. They work hard to be fair. Do you like to hear news?
Early Reader · Change the reading level on the articleAgness was a news writer. She worked for big papers. She told people what happened. She was a leader for many years. Her work was very hard. Do you like to read news?
Early Reader · Change the reading level on the articleBig businesses help grow our food. They work with farms and stores. They help get food to you. This helps everyone eat well. It is a big job! Do you like to eat food from a farm?
Early Reader · Change the reading level on the articlePeople use tools to help farms. These tools help grow food. They make farm work easy. This helps feed everyone. We can grow much more food. Do you like farms?
Early Reader · Change the reading level on the articleBig machines help us grow food. Some pull heavy things. Others plant tiny seeds. They do the hard work for us. This helps feed the world. Do you like big tractors?
Early Reader · Change the reading level on the articleAhmet loved music very much. He helped many singers. He started a big music company. It helped people hear new songs. He also loved soccer. Do you like to listen to music?
Early Reader · Change the reading level on the articleWe make smart machines. We want them to help us. Sometimes they do not do what we want. They might find a trick to win. We must teach them to be good. Can we make them safe?
Early Reader · Change the reading level on the articleComputers can learn to think. They can talk like us. They can even make art. This helps us do many tasks. It is a very big change. Do you like talking to computers?
Early Reader · Change the reading level on the articlePlanes have little wings on their wings. These help the plane turn. They make the plane tilt left or right. This helps the pilot fly the plane. It is very cool! Do you like to fly?
Early Reader · Change the reading level on the articleAn airbag is a soft bag. It stays inside the car. It puffs up fast during a crash. The bag helps keep you safe. It is like a soft pillow. Do you like soft pillows?
Early Reader · Change the reading level on the articleSome people rent out their homes. You can stay in these homes. It is like a hotel. But you stay in a real house. This helps people travel. Do you like to visit new places?
Early Reader · Change the reading level on the article{ "text":\"Planes have tools to stay safe. These tools see other planes. They tell the pilot if they are too close. This helps planes fly in a good way. It keeps everyone safe in the sky. Do you like to fly?\",…
Early Reader · Change the reading level on the articleSpecial planes fly very high. They use tools to see far away. These tools find ships and other planes. This helps keep people safe. The planes tell friends where to go. Do you like big planes?
Early Reader · Change the reading level on the articlePlanes use parts to slow down. These parts catch the air. This helps the plane stop. It makes the flight safe. It is like using a brake on a bike. Do you like fast planes?
Early Reader · Change the reading level on the articleAirbus makes big planes. They build planes for people to fly. They also make helicopters. These help people travel far. They are very good at it. Do you like to fly in planes?
Early Reader · Change the reading level on the articleThis is a big plane. It has two engines. It can carry many people. It helps us fly far away. It is a very cool plane. Do you like to fly in planes?
Early Reader · Change the reading level on the articleMany people fly in these planes. They fly high in the sky. Some are long and some are short. They help us visit far places. It is a very busy family of planes. Have you flown in a plane?
Early Reader · Change the reading level on the articleThis is a very big plane. It has two floors. It can carry many people. This helps us fly far away. It is a giant in the sky. Do you like big planes?
Early Reader · Change the reading level on the articleAir China is a big airline. It flies planes in China. It also flies to many other lands. This helps people travel far away. It is a very large group. Do you like to fly in planes?
Early Reader · Change the reading level on the articlePlanes have smooth covers. These covers hide gaps. They help the plane move fast. They also keep mud off the wings. It helps the plane fly well. Do you like fast planes?
Early Reader · Change the reading level on the articlePilots use tools to fly planes. They use a stick to turn. They use pedals to move. They use a lever for speed. This helps them stay in the air. It is fun to fly! Can you fly a plane?
Early Reader · Change the reading level on the articleA pilot flies a plane. They use controls to steer. They must learn a lot. This helps keep people safe in the air. It is a big job. Do you want to fly a plane?
Early Reader · Change the reading level on the articleEvery plane has a special code. It is like a car plate. The code tells us its home country. It helps people know the plane. Can you find a code on a plane?
Early Reader · Change the reading level on the articleAn air filter cleans the air. It catches dust and smoke. It stops tiny bits from flying. This helps us breathe well. It is very helpful. Do you like clean air?
Early Reader · Change the reading level on the articleSome shapes help things fly. Wings have a special shape. This shape helps them lift up. It works for birds and planes. It even works for boats in water. Do you want to fly?
Early Reader · Change the reading level on the articleThe airframe is the body of a plane. It holds the wings and the tail. It is built to be very strong. This helps the plane fly safely. Do you like to fly in planes?
Early Reader · Change the reading level on the article