Spotted by webmaster Paul: three robot fish, created by robotics experts from Essex University can be found at London Aquarium. They move around the tank like real fish, and have sensor-based controls, so they can move around the tank, avoiding objects and other fish, and reacting to their environment as a real fish would. Professor Huosheng Hu, of the university’s computer science department, said the aim of creating the fish and having them on display in a public place was to increase awareness about robots’ capabilities. He said the robotic fish, which took three years to create, could also be used in the ocean such as including seabed exploration, detecting leaks in oil pipelines, mine countermeasures, and improving the performance of underwater vehicles.