Although categorized as an engineering field which normally studies artificial materials, metallurgy has also treated natural objects in its long history. Metallurgy and Alchemy, which are the basis of present-day materials science, have also produced all the natural sciences, including chemistry and physiscs. The field of materials science is expanding rapidly to include amorphous, ceramic, polymer, and nanoscale materials. Alchemy was not successful, but its methods still contribute to industry, because they introduce new useful materials.
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