Liquid metal imbalance of the surface tension induces a pressure difference between the rear and the head, which produces a thrust to drive the droplet toward the head; at the same time, the hydrogen produced in the electrochemical reaction process also further raises the thrust. The discovery of this phenomenon laid the technical foundation for the development of intelligent motors, vascular robots, fluid pumping systems, flexible actuators and even more complex liquid metal robots. Liquid metal Liquid metal consists of alloys with very low melting points which form a eutectic that is liquid at room temperature. The standard metal used to be
In the Skin of a Lion In the Skin of a Lion In the Skin of a Lion is a novel by Canadian–Sri Lankan writer Michael Ondaatje. It was first published in 1987 by McClelland and Stewart. The novel fictionalizes the lives of the immigrants who played a large role in the building of the city of Toronto in the early 1900s, but whose contributions never became part of the city's official history. Ondaatje illuminates the investment of these settlers in Canada, through their labour, while they remain outsiders to mainstream society. "In the Skin of a Lion" is thus an exposé of the migrant condition: