Recently scinetists are considering not only individual robots but developing of groups of robots, because a swarm of collaborative robots, each one observing the problem from a different point of view, is able to solve more difficult tasks than one robot by itself. The strength of a swarm can be …

A helicopter, or chopper, is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward, and laterally. These attributes allow helicopters to be used in congested or isolated areas where …

China, Russia and North Korea are looking to develop their submarine fleets . Russia is seeking to further bolster its sub-surface capabilities, with new generations of conventional and nuclear propulsion submarines, which promise to be significantly more difficult to detect and track for western naval forces. This includes the Yasen, …