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"content": "<p>Probably many of you know how 19th century Chemist Kekulé discovered or dreamed the constitution formula of benzene: <a href=\"https://en.wikipedia.org/wiki/Ouroboros#Kekul%C3%A9's_dream\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">en.wikipedia.org/wiki/Ouroboro</span><span class=\"invisible\">s#Kekul%C3%A9's_dream</span></a> . On the contrary I know nobody who is aware of this intriguing backgound story <a href=\"https://doi.org/10.6084/m9.figshare.26893546.v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.6084/m9.figshare.26</span><span class=\"invisible\">893546.v1</span></a>. The story is connected with a dense web of historical chemistry developments. The source is a German book from 1925 (Kekulé's biography, written by a Richard Anschütz who was a pupil of him). So I decided to translate the paragraph and make it publicly available.</p>",
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"en": "<p>Probably many of you know how 19th century Chemist Kekulé discovered or dreamed the constitution formula of benzene: <a href=\"https://en.wikipedia.org/wiki/Ouroboros#Kekul%C3%A9's_dream\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">en.wikipedia.org/wiki/Ouroboro</span><span class=\"invisible\">s#Kekul%C3%A9's_dream</span></a> . On the contrary I know nobody who is aware of this intriguing backgound story <a href=\"https://doi.org/10.6084/m9.figshare.26893546.v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.6084/m9.figshare.26</span><span class=\"invisible\">893546.v1</span></a>. The story is connected with a dense web of historical chemistry developments. The source is a German book from 1925 (Kekulé's biography, written by a Richard Anschütz who was a pupil of him). So I decided to translate the paragraph and make it publicly available.</p>"
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"published": "2023-05-07T18:27:38Z",
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"content": "<p>Stay up to date on two critical topics with these links I'm monitoring: the drought affecting Germany (<a href=\"https://files.ufz.de/~drought/SM_Lall_aktuell.png\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">files.ufz.de/~drought/SM_Lall_</span><span class=\"invisible\">aktuell.png</span></a> ) and the latest Covid19 wastewater levels (<a href=\"https://www.bay-voc.lmu.de/abwassermonitoring\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bay-voc.lmu.de/abwassermonitor</span><span class=\"invisible\">ing</span></a>).</p>",
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"de": "<p>Stay up to date on two critical topics with these links I'm monitoring: the drought affecting Germany (<a href=\"https://files.ufz.de/~drought/SM_Lall_aktuell.png\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">files.ufz.de/~drought/SM_Lall_</span><span class=\"invisible\">aktuell.png</span></a> ) and the latest Covid19 wastewater levels (<a href=\"https://www.bay-voc.lmu.de/abwassermonitoring\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bay-voc.lmu.de/abwassermonitor</span><span class=\"invisible\">ing</span></a>).</p>"
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"published": "2022-12-01T10:29:19Z",
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"content": "<p>What is Aromaticity? --- An attempt for a maths inclined audience.</p><p>Chemists are using edge-labeled graphs (Lewis formulae) together with a little basic symbolic calculus for them to describe molecules and the transformations they can undergo. This is a bit more than some empirically established notation since the graphs contain real physical information if interpreted correctly. Let's have a look at one: This stands for the benzene molecule (1/n)</p>",
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"de": "<p>What is Aromaticity? --- An attempt for a maths inclined audience.</p><p>Chemists are using edge-labeled graphs (Lewis formulae) together with a little basic symbolic calculus for them to describe molecules and the transformations they can undergo. This is a bit more than some empirically established notation since the graphs contain real physical information if interpreted correctly. Let's have a look at one: This stands for the benzene molecule (1/n)</p>"
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"published": "2022-11-18T16:04:02Z",
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"content": "<p>I have been procrastinating my <a href=\"https://mathstodon.xyz/tags/introduction\" class=\"mention hashtag\" rel=\"tag\">#<span>introduction</span></a> for a while: I am Chemist and work as a docent and researcher in university and I am interested in anything connected with maths and always open for inspirations. I was a bit active for propagating NoCovid on Twitter and recently also with the climate catastrophy. Besides I like cycling actively, passively, for sports, recreation and commuting. Quite a bit more would be left to mention, feel welcome to ask or find out later.</p>",
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"de": "<p>I have been procrastinating my <a href=\"https://mathstodon.xyz/tags/introduction\" class=\"mention hashtag\" rel=\"tag\">#<span>introduction</span></a> for a while: I am Chemist and work as a docent and researcher in university and I am interested in anything connected with maths and always open for inspirations. I was a bit active for propagating NoCovid on Twitter and recently also with the climate catastrophy. Besides I like cycling actively, passively, for sports, recreation and commuting. Quite a bit more would be left to mention, feel welcome to ask or find out later.</p>"
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