Treasures of the Earth: Metals
Season 43 Episode 19 | 53m 40s
The enduring luster of gold, the conductivity of copper, the strength of steel—the special properties of metals have reshaped societies and defined eras; they have such an important role in human history that entire ages have been named after them. But what gives metals their astounding characteristics?
Aired: 08/16/18
Expires: 09/25/20
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