Image: Room temperature electrical resistivity of various materials

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Description: The room-temperature electrical resistivity of materials and substances is one of the most widely varying of all physical properties, encompassing 28 orders of magnitude difference between metals and non-metals. At the absolute zero of temperature, non-metals do not conduct, while metals do (excluding here the phenomenon of superconductivity).
Author: P. P. Edwards, M. T. J. Lodge, F. Hensel and R. Redmer
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