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A research group headed by Professor Hui Wang and Associate Professor Zhigao Sheng from the Chinese Academy of Sciences reported the synthesis of polyvinylpyrrolidone-directed nickel nanowires (PNNWs) via solvothermal technique supported by a strong magnetic field in a work published in Advanced Materials Interfaces.

A microscope is used to magnify the image of tiny objects. The objects are clearly seen with a microscope because at least one lens magnifies the image. This lens refracts the light so that it enters the eye and magnifies distant objects.