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August 2021

Craftsman’s Cribsheet #99

Carbon may be the most important determinant of a steel’s properties. But without iron there is no steel. No humans, either. Iron is the decay product of Nickel 56 which is the last element produced by nuclear fusion as a star collapses. So, what else should be known about this essential to human life, essential to the precision machining industry, forged in the heart of dying stars chemical element?