Swarm robotics in the context of "IRobot Create"

A robot is a machine—especially one programmable by a computer—capable of carrying out a complex series of actions automatically. A robot can be guided by an external control device, or the control may be embedded within. Robots may be constructed to evoke human form, but most robots are task-performing machines, designed with an emphasis on stark functionality, rather than expressive aesthetics.

Robots can be autonomous or semi-autonomous and range from humanoids such as Honda's Advanced Step in Innovative Mobility (ASIMO) and TOSY's TOSY Ping Pong Playing Robot (TOPIO) to industrial robots, medical operating robots, patient assist robots, dog therapy robots, collectively programmed swarm robots, UAV drones such as General Atomics MQ-1 Predator, and even microscopic nanorobots. By mimicking a lifelike appearance or automating movements, a robot may convey a sense of intelligence or thought of its own. Autonomous things are expected to proliferate in the future, with home robotics and the autonomous car as some of the main drivers.

Swarm behaviour, or swarming, is a collective behaviour exhibited by entities, particularly animals, of similar size which aggregate together, perhaps milling about the same spot or perhaps moving en masse or migrating in some direction. It is a highly interdisciplinary topic.

As a term, swarming is applied particularly to insects, but can also be applied to any other entity or animal that exhibits swarm behaviour. The term flocking or murmuration can refer specifically to swarm behaviour in birds, herding to refer to swarm behaviour in tetrapods, and shoaling or schooling to refer to swarm behaviour in fish. Phytoplankton also gather in huge swarms called blooms, although these organisms are algae and are not self-propelled the way most animals are. By extension, the term "swarm" is applied also to inanimate entities which exhibit parallel behaviours, as in a robot swarm, an earthquake swarm or a star swarm.

Drone warfare is a form of warfare that involves the deployment of military drones or military robots. The robots may be remote controlled by a pilot or have varying levels of autonomy during their mission. Types of robots include unmanned combat aerial vehicles (UCAV) or weaponized commercial unmanned aerial vehicles (UAV), unmanned surface vehicles (USV) or unmanned underwater vehicles (UUV), and unmanned ground vehicles (UGV).The applications of UAVs, UGVs, USVs, and UUVs are diverse, ranging from reconnaissance, kamikaze missions, bomb disposal, cargo transport, and medical evacuation to anti-air, anti-armor, and anti-personnel role. As of 2019, the following nations have been identified as having operational UCAVs: China, France, Greece, India, Iran, Iraq, Israel, Italy, Pakistan, Poland, Russia, South Korea, Turkey, the United States, the United Kingdom and Ukraine.

Drones find application in a variety of military operations, including electronic warfare, explosive ordnance disposal, training and logistics support. However, they are most frequently employed in intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) missions, enabling direct attacks on targets as part of a kill chain or through manned-unmanned teaming. Aerial drone attacks can be executed through the use of purpose-built UCAVs, that deploy ordnance during a drone strike, or by weaponized commercial UAVs that drop munitions or engage aerial assault. Heavy-lift drones may also be used to airlift supplies or evacuation of wounded personnel across a battlefield. Smaller drones, such as SUAVs and MAVs, are man-portable and can be deployed for low-altitude, short-range support operations. Larger drones can serve a "mothership" role by deploying smaller, sub-drones or by being equipped with electronic warfare features such as a signal repeater. Multiple drones can operate and attack simultaneously in a drone swarm and autonomous drones, such as LAWs, utilize military AI.