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History
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Gold smelting workers in Siuna, Nicaragua in the late 20th century
Gold smelting workers in Siuna, Nicaragua in the late 20th century
Casting, the process of pouring molten metal into a mold
Casting, the process of pouring molten metal into a mold
Artefacts from the Varna Necropolis in present-day Bulgaria
Artefacts from the Varna Necropolis in present-day Bulgaria
Iron, the most common metal used in metallurgy, is shown in different forms, including cubes, chips, and nuggets
Iron, the most common metal used in metallurgy, is shown in different forms, including cubes, chips, and nuggets
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A diamond cuboctahedron showing seven crystallographic planes, imaged with scanning electron microscopy
A diamond cuboctahedron showing seven crystallographic planes, imaged with scanning electron microscopy
A late Bronze Age sword or dagger blade
A late Bronze Age sword or dagger blade
Crystal structure of a perovskite with a chemical formula ABX3
Crystal structure of a perovskite with a chemical formula ABX3
Microstructure of pearlite
Microstructure of pearlite