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 53 of 86
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Louis was a man who loved photos. He found new ways to make them. He made many prints for people. This helped more people see pictures. He was a great inventor. Do you like to take photos?
Early Reader · Change the reading level on the articleLouis made a special camera. It could film moving things. He filmed his son playing music. This helped start movies. One day, Louis went away. He was never seen again. Do you like movies?
Early Reader · Change the reading level on the articleLouis Vuitton made special boxes for travel. He worked in a big city. He made boxes that were very strong. These boxes helped people carry their things. He was a very good maker. Do you like to pack your bags?
Early Reader · Change the reading level on the articleA loupe helps you see small things. It makes tiny things look big. You can hold it near your eye. Doctors and jewelers use them for work. It helps them see very well. Do you want to see something small?
Early Reader · Change the reading level on the articleComputers use special codes. These codes tell the machine what to do. They work very close to the parts inside. This helps us control the computer. It is a big job. Do you want to learn more?
Early Reader · Change the reading level on the articleSome things let low sounds pass through. They stop the high sounds. This helps make things sound smooth. It can even help with music. It makes the sound nice. Can you hear the low notes?
Early Reader · Change the reading level on the articleLua is a way to talk to computers. It helps programs do new things. People made it a long time ago. It is small and fast. It helps many kinds of tools work well. Do you like to use computers?
Early Reader · Change the reading level on the articleLufthansa is a big airline. It flies planes in Germany. It helps people travel far. You can fly on its planes. It is very large. Do you like to fly?
Early Reader · Change the reading level on the articleSome people use computers to play pranks. They find sites that are not safe. They show how to fix them. This helps us stay safe online. It can be very silly. Do you use a strong password?
Early Reader · Change the reading level on the articleA luxury car is very nice. It has soft seats. It uses very good parts. These cars help people feel comfy. It is a special ride. Do you like fast cars?
Early Reader · Change the reading level on the articleOne big company owns many brands. It makes fancy things. They make pretty clothes and rings. They make special drinks too. It is in a city called Paris. Do you like fancy things?
Early Reader · Change the reading level on the articleLynn Conway helped make computers work. She made tiny parts for them. These parts are in many tools. She was very brave and smart. We can learn from her story. Do you like computers?
Early Reader · Change the reading level on the articleTrains in Lyon move many people. They run on tracks under the ground. Some trains have rubber wheels. This helps them move well. You can ride them to go to town. Do you like fast trains?
Early Reader · Change the reading level on the articleThis is a special tool. It has many barrels. They spin in a circle. This helps it work fast. It uses a motor to spin. It is used by many groups. Do you like machines?
Early Reader · Change the reading level on the articleThe M16 is a tool for soldiers. It is very light to carry. It was made a long time ago. Many people use it today. It helps keep people safe. Do you know what a soldier does?
Early Reader · Change the reading level on the articleThis is a tool used by soldiers. It was made a long time ago. It helps people stay safe. Many soldiers used it in wars. It is a very strong tool. Do you like learning about old tools?
Early Reader · Change the reading level on the articleThe Abrams is a big tank. It is made of strong metal. It helps the army stay safe. It is very heavy. It can move on many lands. Do you like big machines?
Early Reader · Change the reading level on the articleThis is a tool for soldiers. It is small and light. It helps people stay safe. Many countries use it. It is very useful. Do you see many colors on the map?
Early Reader · Change the reading level on the articleA mace is a heavy club. It has a big head on a stick. Long ago, people used it. Now, it is a special sign. It shows who is in charge. Can you find a club?
Early Reader · Change the reading level on the articleComputers use a special way to talk. It is a set of rules. These rules tell the computer what to do. It helps the computer work fast. We use it to run programs. Can you see how it works?
Early Reader · Change the reading level on the articleMachines help us make things. They use tools to shape metal. These machines are very strong. They help us make parts that fit. We use them to build many things. Can you think of a machine?
Early Reader · Change the reading level on the articleComputers can help us talk. They can change words. This helps us read new things. It can change one way of talking to another. It is very cool. Do you want to try it?
Early Reader · Change the reading level on the articleMachines can make new things. They cut big pieces of metal. They cut wood and plastic too. This makes the shape you want. It helps us build many things. Can you think of something made of metal?
Early Reader · Change the reading level on the articleA big bridge crosses the water. It connects two pieces of land. It helps cars get across. You can drive on it too. It is very long and strong. Do you like big bridges?
Early Reader · Change the reading level on the articleMacs use a special tool to work. This tool helps the computer run. It lets you see icons on a screen. It makes the computer easy to use. It helps you do many things. Do you like using computers?
Early Reader · Change the reading level on the articleA Mac computer needs special help. This help is called macOS. It tells the computer what to do. It makes the screen look nice. It helps you do your work. Do you use a computer?
Early Reader · Change the reading level on the articleA macro is a special rule. It helps a computer do work. It can turn one small thing into a big job. This saves you a lot of time. It makes work easy. Do you like to save time?
Early Reader · Change the reading level on the articleThis is a special wooden tool. It has sharp glass on the sides. The glass comes from a rock. It was used long ago. It helps people do work. Can you see the sharp parts?
Early Reader · Change the reading level on the articleMacy's is a big store. It sells many things. You can find clothes there. It has many stores in the USA. It is a very famous place. Do you like to shop?
Early Reader · Change the reading level on the articleMadam C. J. Walker made her own goods. She made things for hair. She sold them to many women. This helped her earn much money. She was a very strong leader. She helped many people too. Do you want to be a leader?
Early Reader · Change the reading level on the articleThe Madrid Metro is a big train system. It runs under the ground in Spain. Many people ride these trains every day. It helps people get to work and school. It is a very fast way to travel. Do you like riding trains?
Early Reader · Change the reading level on the articleA magazine holds small parts for a gun. It keeps them in a neat row. A spring pushes them up one by one. This helps the gun work fast. It makes the gun easy to use. Do you see how it works?
Early Reader · Change the reading level on the articleA magic lantern shows big pictures. It uses a bright light. It shines through a glass slide. The light makes a picture on a wall. This helps us learn new things. It is fun to watch. Do you like big pictures?
Early Reader · Change the reading level on the articleThese trains do not use wheels. They float in the air. Magnets help them lift up. This makes them go very fast. They are very quiet too. Do you want to ride one?
Early Reader · Change the reading level on the articleThis was the first home game box. It plugs into your TV. You use knobs to move dots on the screen. It does not make sound. You can use plastic sheets to make pictures. Do you like games?
Early Reader · Change the reading level on the articleSome tools use magnets to save things. They keep your songs and pictures safe. This helps your computer work well. It is like a tiny box for your data. Do you use a computer too?
Early Reader · Change the reading level on the articleComputers use tape to save things. The tape holds lots of info. It can be in big reels. It can be in small boxes. This helps keep things safe for a long time. Do you like to save your work?
Early Reader · Change the reading level on the articleA magnifying glass helps you see. It makes small things look big. You can use it to look at tiny things. It can even help start a fire. It is a fun tool to use. Do you want to look closer?
Early Reader · Change the reading level on the articleA tank is a big machine. It has strong metal skin. It can move fast. It has a big gun too. This helps it do many jobs. It is a very strong tool. Do you like big machines?
Early Reader · Change the reading level on the articleA mainframe is a very big computer. It helps big groups do much work. It can keep a lot of facts safe. It stays on for a long time. This helps people every day. Do you use a computer too?
Early Reader · Change the reading level on the articleThis is a big newspaper in Japan. It tells people the news. It has been around for a long time. It helps us know what is happening. Do you like to read news?
Early Reader · Change the reading level on the articlePower comes to your home. We use it for many things. It turns on your lights. It makes your TV work. It helps us stay warm. We use it every day. Do you use it too?
Early Reader · Change the reading level on the articleWe fix things to keep them working. We check machines for small problems. This helps us fix them fast. It keeps our tools safe and strong. It helps things last a long time. Do you help fix things at home?
Early Reader · Change the reading level on the articleBig machines help us at home. They cook our food. They wash our clothes. They keep our food cold. These machines use power to work. They stay in one spot. Do you have a big machine at your house?
Early Reader · Change the reading level on the articleMa Jun was a smart maker. He made a special cart. It could point the way. He also made tools to help grow plants. He was a great inventor. Do you like to build things?
Early Reader · Change the reading level on the articleMalcolm was a man who built things. He made parts for cars. He also helped make planes. His work helps us travel today. Do you like to build things too?
Early Reader · Change the reading level on the articleLong ago, people built big computers. These machines were very tall. They helped solve hard math. They were the first of their kind. They helped us learn a lot. Do you like computers?
Early Reader · Change the reading level on the articleA big canal helps ships move. It goes from the sea to a city. This path helps bring goods to people. It was built a long time ago. It helps us see how things travel. Do you like big ships?
Early Reader · Change the reading level on the article