Bismuth Ring of five atoms synthesized

Credit: Nature Chemistry (2025). DOI: 10.1038/S41557-024-01713-8 Researchers at the Karlsruhe (Kit) Institute of Technology have synthesized a BI5⁻ Ring, a molecule with five bismuth atoms, and stabilized it in a metal complex. Its discovery fills a vacuum in chemical knowledge and allows future applications in research of materials, catalysis and electronic. His findings have been…

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Dynamic web applications with HTMX, Python and Django

$ python manage.py makemigrations $ python manage.py migrate He makemigrations The command creates a new migration file if scheme changes are detected. (These are in quoteapp/migrationsbut normally you will not need to interact with them directly). migrate The command applies the changes. Conflicts with scheme changes When several people make migration changes and then check…

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Ligo has just seen his most important gravitational wave? | By Ethan Siegel | Start with an explosion! | February 2025

A mathematical simulation of deformed space-time about two fused neutron stars that result in the creation of a black hole. The colored bands are picos and gravitational wave channels, and the colors become brighter as the wave amplitude increases. The strongest waves, which carry the greatest amount of energy, come just before and during the…

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Two new species of Harpactea Bristowe, 1939 from Türkiye (Araneae: Dysderidae)

Two new species of Harpactea Bristowe, 1939 from Türkiye (Araneae: Dysderidae) ABSTRACT Two new species, Harpactea Bozdaglaensis sp. north. and H. Dilekensis sp. north. They are described based on both sexes of the Aegean region of Türkiye. Both species belong to Rubicunda Species group defined for Harpacea Due to the characteristics of the copulatory organs…

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