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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mstdn.social/users/mattieuMattieu/statuses/115686576398818199">Matthew Sorensen (mattieumattieu@mstdn.social)'s status on Tuesday, 09-Dec-2025 08:49:32 JST</a><a href="https://mstdn.social/@mattieuMattieu" title="mattieumattieu@mstdn.social"><img src="https://gnusocial.jp/theme/gnusocialjp/default-avatar-stream.png" width="48" height="48" alt="Matthew Sorensen" style="position: absolute; left: 0; top: 0;">Matthew Sorensen</a><div><a href="https://mastodon.social/@whitequark/115686567660023905" rel="in-reply-to">in reply to</a><ul><li><li><a href="https://gnusocial.jp/user/345971" title="zwol@masto.hackers.town">Zack Weinberg</a></li></ul></div></section><article><p><a href="https://mastodon.social/@whitequark">@whitequark</a> <a href="https://masto.hackers.town/@zwol">@zwol</a> UV light forms color centers in the glass! Manganese containing glass will go purple (<a href="https://commons.wikimedia.org/wiki/File:Solarized_vault_lights.jpg" rel="nofollow">https://commons.wikimedia.org/wiki/File:Solarized_vault_lights.jpg</a> ) and cerium (added as a fining agent) containing glass will go an ugly brown. There's really no free lunch when it comes to glass chemistry...</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/5935915#notice-11672918">In conversation</a><time datetime="2025-12-09T08:49:32+09:00" title="Tuesday, 09-Dec-2025 08:49:32 JST">about 10 months ago</time> <span>from <span><a href="https://mstdn.social/@mattieuMattieu/115686576398818199" rel="external" title="Sent from mstdn.social via ActivityPub">mstdn.social</a></span></span><a href="https://mstdn.social/@mattieuMattieu/115686576398818199">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: upload.wikimedia.org</div><h5><a href="https://commons.wikimedia.org/wiki/File:Solarized_vault_lights.jpg">File:Solarized vault lights.jpg - Wikimedia Commons</a></h5><div></div></header><div></div><footer></footer></article></li></ol></footer></blockquote>

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Matthew Sorensen (mattieumattieu@mstdn.social)'s status on Tuesday, 09-Dec-2025 08:49:32 JSTMatthew Sorensen
in reply to
- ✧✦Catherine✦✧
- Zack Weinberg
@whitequark @zwol UV light forms color centers in the glass! Manganese containing glass will go purple (https://commons.wikimedia.org/wiki/File:Solarized_vault_lights.jpg ) and cerium (added as a fining agent) containing glass will go an ugly brown. There's really no free lunch when it comes to glass chemistry...
In conversationabout 10 months ago from mstdn.socialpermalink
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1. Domain not in remote thumbnail source whitelist: upload.wikimedia.org
  File:Solarized vault lights.jpg - Wikimedia Commons

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