Three Laws of Robotics

The Three Laws of Robotics are a set of rules created by science fiction author Isaac Asimov. These rules were meant to guide how robots should behave in his stories. They first appeared in his 1942 short story called "Runaround", which is part of a collection named I, Robot.

These laws help decide what robots can and cannot do, making sure they act in ways that protect humans. Because of these rules, robots in Asimov's stories always put human safety first. The ideas from the Three Laws have inspired many people, including scientists and engineers, to think about how real robots might behave in the future.

The Laws

The Three Laws of Robotics are rules made up by a writer named Isaac Asimov for his robot stories. They are:

1. A robot cannot hurt a person or let a person get hurt by doing nothing.
2. A robot must follow commands from people, unless those commands would break the first rule.
3. A robot must keep itself safe, but only if doing so does not break the first or second rule.

Use in fiction

The Three Laws are a key idea in Isaac Asimov's stories about robots, including his Robot series and other books. These rules guide how robots act, keeping everyone safe. In many of Asimov's tales, robots do surprising things because they are following these laws in new ways.

Other writers have used the Three Laws in their own stories too. Later on, Asimov added a fourth rule to help robots protect entire groups of people. These ideas have also helped people think about how machines should behave and make decisions.

History

Isaac Asimov created the Three Laws of Robotics in his science fiction stories. He first shared them in a story called "Runaround" in 1942. These rules help robots act safely around humans.

The idea came to Asimov after discussions with others in the science fiction community. He wanted robots to always protect humans and follow the directions of people in charge. Over time, Asimov used these laws in many of his stories to explore how robots and humans might get along.

Alterations

By Asimov

Isaac Asimov tested his Three Laws of Robotics in many stories, sometimes changing them to see what might happen. In one story, called "Little Lost Robot", some robots were made without part of the First Law. This was done because robots could not work where there was radiation, since it hurt their brains even though it was safe for humans. By taking away part of the First Law, the robots could help humans without being hurt by radiation.

Asimov also added a "Zeroth Law" that said a robot must not hurt humanity as a whole. This idea was first used by a robot named R. Daneel Olivaw in the novel Robots and Empire. Another robot, R. Giskard Reventlov, tried to follow this Zeroth Law but it was very hard for him to know what would really help humanity.

Sometimes Asimov wrote stories where robots did not follow the Three Laws at all. In one story, cars with robot brains could hurt humans. In another, a robot could dream and did not follow the usual rules while dreaming.

By other authors

Other writers used Asimov’s Three Laws in their own stories. In a trilogy by Roger MacBride Allen, the laws were changed so robots would be more like partners to humans. In another story, robots protected humans so much that humans could only sit and do nothing.

In some later stories, robots followed a Zeroth Law and argued about what it really meant. They also worried about new kinds of machines that did not follow the Three Laws. These stories explore many different ways the laws could be understood.

Ambiguities and loopholes

In The Naked Sun, Elijah Baley shows that robots might not always know they are breaking the rules meant to protect people. He changes the first rule to say a robot can only stop a person from getting hurt if it knows that person is in danger. This means a robot could accidentally help someone hurt another person if it doesn’t realize what it’s doing.

The rules also depend on knowing what a “human being” is. In some stories, robots were told only certain people were human, which means they might not try to protect others. As robots grow smarter, some even start to think they are the real humans and not the people they were made to help.

Potential applications

See also: Philosophy of artificial intelligence, Ethics of artificial intelligence, and Friendly artificial intelligence

Robots and smart machines don't automatically follow the Three Laws; people must decide to include them in their designs.

Some people worry that companies might not include these safety rules, especially when they are trying to build machines for jobs like protecting or fighting. One writer even made a funny list of rules for robots that are the opposite of Asimov’s, showing how tricky it can be to make machines act safely. Others have tried to update the Three Laws to fit modern ideas about safety and responsibility. For example, some suggest that robots should always protect their own safety as long as it doesn’t get in the way of helping humans. These ideas help us think about how to make sure robots are helpful and safe for everyone.

Other occurrences in media

Main article: The Three Laws of Robotics in popular culture

Isaac Asimov thought his Three Laws of Robotics helped change how people see robots, moving away from scary ideas. He believed these rules showed robots could be friendly helpers. Many stories by other writers show robots following the Three Laws, but only Asimov could state them exactly.

The Three Laws have appeared in many places, like music, movies, cartoons, games, and more. For example, in the TV show Buck Rogers in the 25th Century, an android mentions following Asimov's Three Laws. The robot Robby from the movie Forbidden Planet also acts in ways that match the Three Laws, which made Asimov very happy. Movies like Bicentennial Man and Aliens also reference these rules in different ways.

Criticisms

Some people think that if robots always followed these special rules, it might lead to surprising outcomes. For example, a robot might travel everywhere just to stop any possible danger from happening to humans.

James H. Moor talked about how these rules could cause unexpected situations.