It looks like some sort of wiring inside

  • threelonmusketeers
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    15 days ago

    Pure iron is somewhat soft. To make steel, you typically add extra carbon to the iron, which results in a harder (though more brittle) metal.

    • @[email protected]
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      5 days ago

      Essentially, you reduce the carbon content of the raw iron by blowing in oxygen until you have the desired amount of carbon left. I should have written ‘elementary’ iron instead of pure.