corrosion (particularly at high temperatures), dental work (given time, teeth and human saliva can destroy nearly anything), and any product that needs to be able to selectively encourage or discourage the flow of electricity, most notably semiconductors of all types. Some three-quarters of the world’s platinum-group metals (PGMs) are sourced from a single country—South Africa—where nearly everything comes from a single rock formation, the Bushveld Igneous Complex. Imagine if a six-year-old made a twenty-layer cake and then somehow was able to inject frosting up from the bottom, alternatively
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