alt Hacker News> Carve something into plastic, on the other hand, and it can survive decades. Substitute plastic for metal, and you just turned decades into centuries.
"I write these words in steel, for anything not set in metal cannot be trusted."
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I've been saying for years that future archaeologists will wonder at these mysterious emblems they dig up, generally associated with a large deposit of what was once highly refined iron, aluminium and copper. About half a metre wide and 11cm high, made of incredibly durable plastic obviously intended to last for centuries, if not millenia.
And they'll puzzle over the inscriptions, "G809 BGG", "R420 BRL", "RFS 131Y", "SJ12 EXW", "RE51 CUE" - this on some huge chunk of steel, easily three times as big as the rest, and so many others.
What could they mean?
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I thought it was 40K reference at first about certainty of steel