this post was submitted on 02 Mar 2024
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[–] mxcory@lemmy.blahaj.zone 19 points 8 months ago (1 children)

Unfortunately this isn't Star Trek.

[–] Swedneck@discuss.tchncs.de 14 points 8 months ago (1 children)

ironically, transparent aluminum is real

[–] shadow@lemmy.sdf.org 2 points 8 months ago

Yeah, we call it "ruby" for red, "sapphire" for not-red, and more generally "corundum"