linkedin post 2021-02-19 04:00:25

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MODERN COSMOLOGY. “Ever since the discovery of neutron stars it has been realized that they serve as probes of a physical regime that cannot be accessed in laboratories: strongly degenerate matter at several times nuclear saturation density. Existing nuclear theories diverge widely in their predictions about such matter. It could be that the matter is primarily nucleons, but it is also possible that exotic species such as hyperons, free quarks, condensates, or strange matter may dominate this regime.” https://lnkd.in/d4fNETR View in LinkedIn
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linkedin post 2021-02-19 03:58:15

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EXOTIC PHASES. “For the first time, researchers have systematically scoured through entire databases of materials in search of ones that harbour topological states -- exotic phases of matter that have fascinated physicists for a decade. The results show that thousands of known materials probably have topological properties -- and perhaps up to 24% of materials in all. Previously, researchers knew of just a few hundred topological materials, and only around a dozen have been studied in detail. "I'm shocked by the number.” https://lnkd.in/dSG9qfN View in LinkedIn
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linkedin post 2021-02-20 07:11:52

linkedin post 2021-02-20 07:11:52

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IMPACT OF BOOZE AND GUNS. “Alcohol was not the only plant substance altering bodies in France in the years after the Revolution. The circulation of medicinal plants and drugs remained robust. With the abolition of apothecary guilds during the Revolution, the regulation of trade now fell to the profession of pharmacy, newly institutionalised by a group closely allied to Lavoisier, most notably the chemist Antoine François Fourcroy (1755-1809), who had established, along with Lavoisier, the new chemical nomenclature.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-20 07:10:06

linkedin post 2021-02-20 07:10:06

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RETURN OF VITALISM. “For Chaptal, fermentation was not, as Lavoisier had suggested, a straightforward chemical reaction, but a living process. He identified four components of the grape that played a role: water, tartaric acid, sugar, and what he started out calling a “sweet principle” (principe doux), and later switched to calling the “vegeto-animal principle.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-20 07:07:43

linkedin post 2021-02-20 07:07:43

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STEPS BACKWARD. “Wine makers and distillers found little of use in Lavoisier’s work, and instead turned to another chemist of his generation, who was only partially converted to Lavoisier’s cause, the unapologetic vitalist Jean-Antoine Chaptal (1756-1832). Chaptal had replaced Lavoisier at the Gunpowder Administration after the latter’s beheading, and then served as Napoleon’s Minister of the Interior. He had also, in these years, published scientific accounts of both wine making and distilling that transformed both industries.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-20 07:05:50

linkedin post 2021-02-20 07:05:50

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LOST HIS HEAD BUT HIS IDEAS REMAINED. “Although Lavoisier did not survive the Revolution that followed, his new nomenclature did, cementing a shift that deprived active principles of their fundamental ontological status. But a focus on the constituent elements remained insufficient to explain what was, for many, the most interesting part of fermented beverages.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-21 06:07:34

linkedin post 2021-02-21 06:07:34

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FLY IN THE OINTMENT. “Pasteur's career went from success to success. In his next project, in the 1850s, he studied the production of alcohol, succeeding where Lavoisier had failed, and showing that fermentation was not an inert chemical process, but a “vital act,” which required the presence of a living “ferment” or germ to begin the process.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-20 06:58:52

linkedin post 2021-02-20 06:58:52

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PASTEUR DISTRACTED BY GUNPOWDER. “He pressed on, however, ordering a new fermentation apparatus with the hope that greater precision would clear up his problems. It arrived in June of 1789, but by that time his duties overseeing Paris’s gunpowder supply in the middle of rising civic unrest made it hard to get work done.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-21 06:06:16

linkedin post 2021-02-21 06:06:16

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THE FINAL DEMARKATION. “These two things, the ability of plants to rotate light and the ability of plants to effect bodies, were bundled together under the concept of action or activity, which replaced vitalism and vitality as the demarcating line between living and non-living substances.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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linkedin post 2021-02-21 06:04:51

linkedin post 2021-02-21 06:04:51

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MONEY MACHINE. “Such artificial constructions would come to be known as “synthetic,” a term that Catherine Jackson has traced to Hofmann’s reference to his “synthetical experiments” in a paper of 1845. Hofmann’s name has become indelibly associated with the new enterprise of making artificial molecules, and he presided over a team of chemists producing one new compound after another, some of them immensely lucrative.” https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786 View in LinkedIn
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