Ep 104: Are We Running Out Of Resources?
ToKCast
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Introduction
For almost all our metals, the essential building blocks of our civilization, we get them from rocks through difficult, high energy extraction. It's just physics that a particular temperature is needed to break the bond between the pure metal and the non metals with which it is chemically combined in these ores that we otherwise call rocks. To reach such high temperatures takes a furnace,. And powering a furnace takes resources. Almost always, the only viable option is coal. Right now, we know of nothing else up to the task.
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