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#lead crystal
cirrus-grey · 2 days
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I've discovered something cool.
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Left: A 100+ year old medicine bottle that my parents dug up in their backyard when I was a kid. Their house is built where the old municipal dump was in the late 1800s, so there were lots of bottles like it buried in the dirt. Right: An ordinary wine glass from the 1990s. Both of these things have been sat on a shelf gathering dust for over a decade.
...Until recently, when I got my hands on a UV flashlight.
[Video description: The bottle and wine glass described above sit next to each other on a table, with the bottle on the left and glass on the right. They are lit from above by a normal incandescent bulb, though the bulb is out of shot. There is a plastic squeaking sound, and the light dims and turns off, leaving the screen dark. There is a click, and a UV flashlight turns on off screen, to the left. Under its light, the bottle glows yellow-green, and the wine glass glows blue. The light holds for a few seconds, then turns off with another click, leaving the screen dark until the video cuts out.]
They glow!!! (These two aren't the only ones either, just the ones with the brightest color.)
There are a lot of different things that can be mixed into glass to make it fluoresce under UV (including, perhaps most famously, uranium). After doing some research, I think I've pinned down these two.
The bottle has manganese, which was (ironically) used to remove the green tint from glass and make it colorless.
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The wine glass has lead, which increases the reflectivity of glass to make it more sparkly (and can also leach off into your drink and give you lead poisoning. Whoops!)
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As I'm sure you can tell I've been nerding out over this big time. I love when science is pretty :)
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itsmycherryforest · 3 months
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Cherryforest
Matts Jonasson full lead crystal bird paperweight, artist signed and numbered
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antiquesfreaks · 1 year
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How can I listen to episodes before the ones that are listed (to 175)? Are they removed from hosting? Do they exist somewhere? I’m asking because is there an episode about Crystal (being poisonous) or did Ken lie to me?
Hi there! You can listen to our full catalogue of episodes through our host site, Podbean. (Who also have their own podcatcher app!)
And our Danger! Lead Poisoning episode (including the dangers of lead crystal glassware) is right here.
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leaslichoma · 4 months
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So I was reading the wikipedia article about lead glass, and it's rarely used for serving drinks nowadays due to concerns about safety. Namely, the lead from the glass can leach into the drink. How much lead is leached from the glass depends on how much time has passed and the acidity of the drink in question: more acidic drinks leach more lead. However, after enough time the glass will apparently leach less lead:
Lead leaching decreases with repeated use of a decanter. This finding is "consistent with ceramic chemistry theory, which predicts that leaching of lead from crystal is self-limiting exponentially as a function of increasing distance from the crystal-liquid interface."
So if the leached lead level decreases over time with use, does that mean that we could purposefully store a strong acid in a lead vessel to leach the lead away from the surface of the glass until there's no lead available to be leached by normal drinks and make it safe? If that works, could it be used for uranium glass as well?
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localguy2 · 11 months
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I find it highly amusing how in situations where the ninja are separated/it's just the OG four, Kai and Zane immediately assume control/start spearheading the team because apparently no one else is sane enough or in the right mind to do so.
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Your honour, they literally have one of the best dynamics in the show, with how they're probably the most protective people in the team. And it makes me mad how this is overlooked by the fandom and the show.
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mayonness · 2 months
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Otome Isekai x Text Post Meme
(Originally posted this on r/otomeisekai, but I'm posting it here too on someone's request)
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moonlightsdreaming · 11 months
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Sailor Moon Cosmos | 2023.06.09 + 2023.06.30
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general-yasur · 3 months
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The real tragedy of the Oni trilogy is how Lloyds image of his father became corrupt by Emperor Garmadon and Harumi. He tries and fails to make the distinction between who garmadon is now and what he was before the resurrection long into crystallized
He is scared just by the knowledge that Garm is out there some where, and scared of the mere idea that he could be like him or have similarities to him. And yet when they finally meet he is still frustrated his dad never attempted to reach out, despite that fear
His need for his dad and his dad’s absence has been a constant throughout the entirety of Ninjagos run, even into the movie
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faragonart · 10 months
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“Do not fret, little one, I have you.”
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silvermoon424 · 11 months
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wizard-irl · 1 year
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Modern crystal healing: It opens your ~chakras~ you will attract ~abundance~ you will ~connect with the universe~
Medieval crystal healing: This shit makes you invisible, stops your periods from hurting, and makes your husband love you.
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itsmycherryforest · 2 years
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cherryforest
Full lead crystal Ice bucket by Bengt Edenfalk (signed) for Skruf
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dozydawn · 2 months
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ruby stained candlesticks. look like murder weapons
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sailorsenshigifs · 1 year
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the sailor animamates have arrived 😍😍
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marchsage · 3 months
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aftermath
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necroticboop · 1 year
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💎 shiny rocks make brain go brrrr ✦ clear quartz [x]
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