Technology

Technology is the use of knowledge to make things happen. It includes tools like utensils and machines, and things you can’t see like software. Technology is important in science, engineering, and everyday life.

Big changes in our world have come from technology. The first known technology was the stone tool, used long ago. Controlling fire helped people’s brains grow and led to the development of language. The invention of the wheel in the Bronze Age made travel easier and helped create more machines. Recent inventions like the printing press, telephone, and Internet have made sharing information much easier.

While technology helps us and makes life better, it can also cause problems like pollution and using up resources. Because of this, people talk about the best ways to use technology.

Etymology

The word technology began in the early 1600s and meant "systematic treatment." It comes from the Greek word τέχνη (tékhnē), which means "craft" or "art."

In the 1800s, people in Europe started using words like Technik in German or technique in French to describe any "way of doing" something, like dancing or printing. Over time, the word technology came to mean using knowledge to solve problems and create useful things.

History

Main articles: History of technology and Timeline of historic inventions

Prehistoric

Main article: Prehistoric technology

People first made tools by trying different things. About 2 million years ago, they began making stone tools by hitting pebbles to make sharp edges. This skill improved over time.

Fire was an important discovery. It helped people cook food, which made it easier to eat and gave more nutrients. Fire also allowed people to live in colder places.

During this time, people also made clothes from animal skins and built simple shelters. These helped them survive and move to new places.

Neolithic

Main article: Neolithic Revolution

Farming began around this time, leading to bigger communities. People made better stone tools and built more lasting homes.

Writing was invented, which helped share knowledge and start libraries, schools, and science.

People learned to work with metals like copper and bronze, making stronger tools and weapons.

Ancient

Main article: Ancient technology

Humans found new ways to use energy, like sailing ships and using river floods for farming.

The wheel was invented around this time, making travel and trade easier. Wheeled carts could carry heavy loads, and the wheel was also used in making pottery.

Cities like Ur had paved streets and some homes had running water and toilets.

The Romans built many aqueducts to bring water to their cities over long distances.

Pre-modern

Main articles: Medieval technology and Renaissance technology

New inventions appeared, such as silk making, the horse collar, and simple machines like levers and pulleys. These were used in tools like wheelbarrows and windmills.

Universities spread knowledge, and the invention of the printing press helped share ideas widely.

Modern

Main articles: Industrial Revolution, Second Industrial Revolution, and Information Age

The Industrial Revolution began with steam power, leading to big changes in farming, factories, and transportation.

Later came new technologies like electricity, light bulbs, telephones, and airplanes.

The 20th century brought nuclear power, computers, and the Internet. Medicine improved with new scanning and treatment technologies.

Today, technology needs special training and has created many new jobs and fields of study.

Impact

Technology has helped people grow their economies and live better lives. Humans have found new ways to make and use energy, helping us do more things. For example, fire let us cook food better and helped us make tools from metals like tin, copper, and iron for hunting and trading. Farming allowed people to live in towns and cities, creating bigger societies with armies and organized religions.

Technology has improved our lives in many ways, making us richer, more comfortable, and healthier. But it can also cause problems, like pollution and unfair treatment of people.

In recent years, the internet and social media have become very important. They were once seen as ways to share knowledge and support democracy. But now, there are concerns about false information, extreme views, and unfair treatment of people.

Since the 1970s, people have worried about how technology affects the environment. This has led to more investment in clean energy like solar and wind power.

Technology has changed jobs throughout history. Machines have taken over some lower-paying jobs, but also created new, better-paying ones. With the rise of artificial intelligence, it's still unsure if it will create more jobs than it replaces.

As we rely more on technology, there are also concerns about security and privacy. For example, some criminals have used online tools to steal money. Governments are trying to stop these activities to protect people.

Technology can help or hurt the environment. Some technologies aim to reduce pollution and protect nature, while others increase pollution and harm the planet. For example, burning fossil fuels releases gases that warm the Earth, leading to climate change. Even ancient civilizations like the Inca Empire caused pollution through their metalworking.

Philosophy

Main article: Philosophy of technology

The philosophy of technology is a part of philosophy that looks at how we make things and what they mean for our lives. This area of study has grown a lot since the 1970s. It asks big questions about how technology affects our world.

At first, people thought technology was just a way to help us. Some thinkers believed it could help people, while others worried it might control us. Recent ideas focus on how we can live better with technology. Scholars debate whether technology changes our world, or if our world shapes how technology develops. Today, many experts study how technology, people, and culture work together. Some people feel that too much focus on technology can hurt other important parts of life.

Ethics

Main article: Ethics of technology

The ethics of technology looks at the good and bad sides of using new tools and inventions. It helps us think about how to use technology in ways that help people and don’t cause problems.

There are many important topics in technology ethics. These include questions about using science with plants and animals, using robots, making sure computers are fair, and teaching machines about human values. Ethics in technology also covers protecting privacy online and thinking carefully about tiny parts of materials. Engineers have a duty to make sure their work is safe and helpful.

Futures studies

Main article: Futures studies

Futures studies looks at how society and technology might change in the future. It helps us think about different possibilities and guides the making of new technologies with human values in mind. Researchers study past and present trends to make smart guesses about what might happen next. They use many tools, like surveys and computer programs, and sometimes get ideas from science fiction.

Existential risk

Main article: Global catastrophic risk

Some researchers study big dangers that could affect the whole world, like very powerful weapons or climate change. They work to find ways to keep everyone safe. New technologies can sometimes create new dangers, but they can also help us solve problems, like keeping Earth safe from space threats. It is important for leaders to think carefully about how technology might affect safety and well-being.

Emerging technologies

Main article: Emerging technologies

Emerging technologies are new tools and ideas that are still being developed and haven’t become common yet. They include nanotechnology, biotechnology, robotics, 3D printing, and blockchains.

In 2005, a thinker named Ray Kurzweil said the next big changes in technology would come from genetics, nanotechnology, and robotics. He thought robotics might be very important. Genetic engineering could help us have more control over living things. Nanotechnology might let us work with very tiny parts of matter, which could change how we live and help with health problems. Autonomous robots are getting better quickly and might take over jobs that are dangerous for people.

Some experts think that very smart computers, called artificial general intelligence, might become common by the year 2063. This could change many jobs and has people talking about new ways to teach computer science and share money more fairly, like universal basic income.

Movements

Main article: Appropriate technology

Some people in the 1960s did not like living in cities. They wanted simpler ways to live that were better for the earth. This idea later influenced some modern tech communities.

Main article: Technological utopianism

Some believe that technology can make a perfect world where everyone is happy and well-cared for. Ideas include ways to live longer, improve health, and even use technology to enhance human abilities. Movements like transhumanism support using science and technology to improve human life. Others think that very advanced machines might change the world in ways we can't even imagine today.

Technology has also caused some worry and disagreement. One early example is when workers lost jobs because machines could do their work faster. Some people feel that technology takes away from nature and freedom, leading to various movements that try to live simpler lives away from too much technology.

Relation to science and engineering

See also: Science and Engineering

Engineering helps us create new technologies. It solves problems with rules and limits. Technology is about doing things, while science is about understanding how things work. Some people think science helps create technology, but often technology is made by trying new things and fixing problems. For example, jet engines were created by testing and learning from mistakes, not just from science. Sometimes important discoveries happen by chance, like finding a medicine in a lab accident.

Today, technology often needs strong scientific knowledge. Over time, more new inventions are linked to scientific research. Inventions based on science are often more valuable.

Other animal species

See also: Tool use by non-humans, structures built by animals, and ecosystem engineer

Many animals use simple tools to help them live. We used to think only humans used tools. Now we know animals like chimpanzees, dolphins, and crows also use tools. For example, chimpanzees use sticks to get food or leaves to drink water. Some chimpanzees in West Africa use stones to crack open nuts. Beavers build dams with sticks and stones, which change where rivers flow and affect many plants and animals.