Iron

Originally published at: https://bigideas.network/iron/

Inside stainless steel benches, cutlery, and appliances, in drill bits and in reinforced concrete, in ship hulls, and in the structural frames of cars, buildings, and aircraft lie iron atoms.

Iron is one of the most useful elements in human history, and is also the sixth most abundant element in the universe. It’s so abundant because it is one of the major elements forged by stars as part of their natural lifespan…

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