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this post was submitted on 21 Feb 2024
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Now that you mention it, are there laser etching, or engraving tools that may be available outside of industrial applications should one want to record their silly thoughts in a more permanent form?
They're not cheap, but you can definitely get a very capable laser set up nowadays that you could etch a non corrosive material with. Some are pretty cool and even are able to etch curved surfaces rather easily on the user end.
Tbh it wouldn't necessarily have to be lasers (not that I'll say no to lasers), but it followed from the OP so thought I'd ask. Do they use lasers for some tombstones...? 🤨
Doubt laser could etch deep enough to survive wear and tear for thousands of years.
I mean, we have thousand years old paper and clay tablets.
I'd be less worried about the depth of the laser than the depth of the corrosion that the metal might face over time.
Glass or ceramic might work better.
laser etched ceramic is just modern clay tablets