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Gallium and indium alloys are synthesized into liquid metals to form a solid solution alloy, which can become liquid at room temperature. The surface tension is 500 millinewtons per meter. This means that when this alloy is placed on a flat table without external force, it will keep an almost perfect sphere unchanged. When stimulated by a small amount of current, the surface tension of the sphere will be reduced, and the metal will stretch on the desktop. If the charge changes from negative to positive, the liquid metal will become spherical again. Changing the voltage can also adjust the metal surface tension and the viscosity of the metal block, so that they become different structures. This research can also be used to help repair the severed nerves in humans to avoid long-term disability. Researchers claim that this breakthrough will help to build better circuits and self repairing structures.
Due to its strong light permeability and conductivity, indium is mainly used to produce ITO targets (for liquid crystal displays and flat panel screens), which is the main consumption area of indium ingots, accounting for 70% of the global indium consumption.
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