Robotics is the science and technology of designing, building, and programming robots. A robot is a machine that can perform tasks automatically, often by following programmed instructions or responding to its environment through sensors.

Robotics combines several fields: engineering to build the robot's body and moving parts, computer science to program its brain, and sometimes artificial intelligence to help it make decisions. A robotics engineer might design a robot arm for a factory assembly line, a surgical robot that helps doctors perform delicate operations, or a Mars rover that explores another planet.

In school robotics clubs, students often work with kits that let them build simple robots, program them to follow a line on the floor, pick up objects, or navigate obstacle courses. These projects teach problem-solving because robots rarely work perfectly on the first try. You might program your robot to turn left, only to discover it needs different instructions depending on the surface it's moving across or how much weight it's carrying.

Modern robotics appears everywhere: robotic vacuum cleaners that map your house while they clean, drones that deliver packages, and even robotic dogs that can walk, run, and recover their balance when pushed. Some robots look humanoid with arms and legs, while others look nothing like people or animals. The field keeps advancing as engineers find new ways to help robots sense their surroundings, make decisions, and work alongside humans safely.