It's the cooling of silica (really, any material) that makes it a glass, and even then, transparency in the visual wavelength is not automatically certain.
this post was submitted on 03 Apr 2024
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Case in point, obsidian.
Good example. Obsidian is apparently 70% silica. Iron is apparently what makes it black in color. If it's thin enough, it is translucent.
If you cool pure silica slowly enough, with impurities to cause seeding, you will get tons of crystals, not a single glass, that won't be transparent.
3090 degrees is above its boiling point (which is 2950 degrees).
So it doesn't become "clear", it literally vaporises.
You are talking Celsius while the meme is likely referring to F (you can tell because Obama)
This ambiguity is what I had in mind when I read "let me be clear". Though now I get it.
Glassblowers: thanks Obama
I wonder how they figured that out
Did molten lava touch sand and then they were like 😳
Maybe tektites? Natural glass formed when ~~lightning~~ meteorites strike~~s~~ sand. I only remember the name because they share it with the jumpy spiders from Zelda
When lightning strikes sand it creates fulgerites.
Tektites are formed when meteorites strike.
I am sorry for insulting your people
Right. Now don't do it again!
Hi! You included a link which is really difficult for mobile users to tap. Here is a much longer and more tappable link.
I am not a bot, and this action was performed manually. I recall that there was a bot for this on Reddit. Does an equivalent exist on Lemmy yet?
Oh look there's a whole Wikipedia page on it
https://en.wikipedia.org/wiki/History_of_glass
Possibly an accidental byproduct of metal working
I thought you were talking about tektites for a second.
Ha, nice reference
It’s like minecraft.
If you spent your days cooking with fire, and your nights watching it and warming yourself, you'd definitely start tossing anything you could find into it just to see what would happen. People did this every day and night for eons.
I think people just experimented a lot. Try enough random things, you're bound to come across cool chemistry every once in a while. If they figured out how to make really hot fire, that opens the path to "let's try making various things really hot to see what happens".
Of course, I know basically nothing about [pre]history or human development so I could be way off
well this is my favorite post.
first it becomes glowy orange tho
Oozy orange blob is the Trump phase.
More like an orangey white like an incandescent bulb, maybe.
how about no