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franco_vazzaLatest formation stages (approximately from redshift z=1 to z=0) of a massive cluster of galaxies which undergoes mergers along the diagonal direction of the image. The left panel shows the evolving baryon density, the central one the temperature (which marks shocks driven by mergers) and the right one the magnetic field intensity.ENZO simulations at CINECA (Italy) with <a href="https://mastodon.social/tags/Julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#Julialang</a> post-processing.<a href="https://mastodon.social/tags/SimulatedUniverses" class="mention hashtag" rel="nofollow noopener" target="_blank">#SimulatedUniverses</a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomy</a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#physics</a>

Nicola RennieI'll also be giving an "Introduction to Julia for Statisticians" at the Royal Statistical Society conference. Join the "Using Julia: fast, reproducible, composable" session on Tuesday 2nd September at 11:30 - 12:50 organised by Jake Grainger and Charles Dufour.<a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a> <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a>

Nicola RennieIf you're interested in learning <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> and are currently an <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a> user (or even if you're not!), then here's a little introduction to getting started! 📊Blog post: <a href="https://nrennie.rbind.io/blog/introduction-julia-r-users/" rel="nofollow noopener" translate="no" target="_blank">https://nrennie.rbind.io/blog/introduction-julia-r-users/</a><a href="https://fosstodon.org/tags/QuartoPub" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuartoPub</a> <a href="https://fosstodon.org/tags/Julia" class="mention hashtag" rel="nofollow noopener" target="_blank">#Julia</a> <a href="https://fosstodon.org/tags/RLadies" class="mention hashtag" rel="nofollow noopener" target="_blank">#RLadies</a>

Jon HarmonCurator: <a href="https://fosstodon.org/@nrennie" class="u-url mention" rel="nofollow noopener" target="_blank">@nrennie</a> <a href="https://DSLC.io" rel="nofollow noopener" translate="no" target="_blank">https://DSLC.io</a> welcomes you to week 33 of <a href="https://fosstodon.org/tags/TidyTuesday" class="mention hashtag" rel="nofollow noopener" target="_blank">#TidyTuesday</a>! We're exploring Scottish Munros!📂 <a href="https://tidytues.day/2025/2025-08-19" rel="nofollow noopener" translate="no" target="_blank">https://tidytues.day/2025/2025-08-19</a> 🗞️ <a href="https://www.hills-database.co.uk/TMS_heighting_accuracy.pdf" rel="nofollow noopener" translate="no" target="_blank">https://www.hills-database.co.uk/TMS_heighting_accuracy.pdf</a>Submit a dataset! <a href="https://github.com/rfordatascience/tidytuesday/blob/main/.github/CONTRIBUTING.md" rel="nofollow noopener" translate="no" target="_blank">https://github.com/rfordatascience/tidytuesday/blob/main/.github/CONTRIBUTING.md</a><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a> <a href="https://fosstodon.org/tags/PyData" class="mention hashtag" rel="nofollow noopener" target="_blank">#PyData</a> <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#DataViz</a> <a href="https://fosstodon.org/tags/tidyverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#tidyverse</a> <a href="https://fosstodon.org/tags/r4ds" class="mention hashtag" rel="nofollow noopener" target="_blank">#r4ds</a>

Large Language Tofu ModelIf you value speed, productivity, and a seamless development experience for your next project, Julia is a strong contender. <a href="https://fosstodon.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#programming</a> <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fosstodon.org/tags/innovation" class="mention hashtag" rel="nofollow noopener" target="_blank">#innovation</a>

Large Language Tofu ModelI've been looking into Julia a bit further in the last days, and I'm convinced it's a hidden gem for startups and new projects.Forget the "two-language problem." Julia’s JIT compiler delivers C-like speed with Python’s ease of use. This means faster development and faster execution. <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fosstodon.org/tags/startups" class="mention hashtag" rel="nofollow noopener" target="_blank">#startups</a>

Dr. Chris Rackauckas :julia:LinearSolve.jl just got autotuning 🔥 The problem: picking linear solvers is hardware-dependent voodoo. Solution: automatic benchmarking that tells you EXACTLY what to use. Share the results to improve the system!Details: sciml.ai/news/2025/08/16/linearsolve_autotuning/<a href="https://fosstodon.org/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a> <a href="https://fosstodon.org/tags/sciml" class="mention hashtag" rel="nofollow noopener" target="_blank">#sciml</a>

franco_vazza<a href="https://mastodon.social/tags/SimulatedUniverses" class="mention hashtag" rel="nofollow noopener" target="_blank">#SimulatedUniverses</a> A 100 Megaparsec cubic simulated volume getting progressively filled by cosmic web structures, one layer of baryonic matter at a time ( here using 64 layers of depth 1.56 Megaparsec each). Rendering done using <a href="https://mastodon.social/tags/Julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#Julialang</a> in parallel using 16 cores on my MAC - the input simulation has 1024^3 cells.The tiniest detail of the cosmic network tend to get lost as the entire distribution of matter gets added along the line of sight! <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomy</a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#physics</a>

Lee Phillips“Catching the moon at the right time with Julia”<a href="https://jonathanbieler.github.io/blog/moon_and_sun" rel="nofollow noopener" translate="no" target="_blank">https://jonathanbieler.github.io/blog/moon_and_sun</a>Wonderful article showing how to use Julia to catch the Moon at good moments for photography, <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomy</a> <a href="https://mastodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#photography</a> <a href="https://mastodon.social/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a>

Sascha<a href="https://fosstodon.org/@zulip" class="u-url mention" rel="nofollow noopener" target="_blank">@zulip</a> has just released version 11.0 with lots of exciting new features: <a href="https://blog.zulip.com/2025/08/13/zulip-11-0-released/" rel="nofollow noopener" translate="no" target="_blank">https://blog.zulip.com/2025/08/13/zulip-11-0-released/</a>Imo it's far and beyond the most efficient chat platform to use after a short initial learning curve (which has become flatter over the years) and I find it hard to go back to tools like Slack and Mattermost, mainly due to the lack of snappiness and keyboard controlsCome join us over at the <a href="https://chaos.social/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a> zulip community if you want to chat about Julia and try out Zulip: <a href="https://julialang.zulipchat.com/" rel="nofollow noopener" translate="no" target="_blank">https://julialang.zulipchat.com/</a> :)

DSLC VideosRecent <a href="https://fosstodon.org/@DSLC" class="u-url mention" rel="nofollow noopener" target="_blank">@DSLC</a> club meetings::rstats: Advanced R: Club Meetings & Chapter 1 Introduction <a href="https://youtu.be/Of5Uz1psDRU" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/Of5Uz1psDRU</a> <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a>From the <a href="https://fosstodon.org/@DSLC" class="u-url mention" rel="nofollow noopener" target="_blank">@DSLC</a> :rstats:chives::julia: Fundamentals of Numerical Computation: Advection equations <a href="https://youtu.be/ZFQxKTBGDuM" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/ZFQxKTBGDuM</a> <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a>:rstats: R for Data Science: Functions <a href="https://youtu.be/ZCQU3z9TYvQ" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/ZCQU3z9TYvQ</a> <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a>:rstats: R Packages: The whole game <a href="https://youtu.be/WNIUmfvc5ws" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/WNIUmfvc5ws</a> <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a>Visit <a href="https://dslc.video" rel="nofollow noopener" translate="no" target="_blank">https://dslc.video</a> for hours of new <a href="https://fosstodon.org/tags/DataScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#DataScience</a> videos every week!

Dr. Chris Rackauckas :julia:What is the <a href="https://fosstodon.org/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a> programming language? This is stitched from the interviews of a lot of developers telling their stories as to why they are committed to the mission of <a href="https://fosstodon.org/tags/Julia" class="mention hashtag" rel="nofollow noopener" target="_blank">#Julia</a>. Performance, scaling, easy, fun?<a href="https://www.youtube.com/watch?v=jPDCSG-GCYQ" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=jPDCSG-GCYQ</a><a href="https://fosstodon.org/tags/sciml" class="mention hashtag" rel="nofollow noopener" target="_blank">#sciml</a> <a href="https://fosstodon.org/tags/scientificcomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#scientificcomputing</a> <a href="https://fosstodon.org/tags/hpc" class="mention hashtag" rel="nofollow noopener" target="_blank">#hpc</a> <a href="https://fosstodon.org/tags/scaling" class="mention hashtag" rel="nofollow noopener" target="_blank">#scaling</a>

Jon Harmon<a href="https://DSLC.io" rel="nofollow noopener" translate="no" target="_blank">https://DSLC.io</a> welcomes you to week 32 of <a href="https://fosstodon.org/tags/TidyTuesday" class="mention hashtag" rel="nofollow noopener" target="_blank">#TidyTuesday</a>! We're exploring Extreme Weather Attribution Studies!📂 <a href="https://tidytues.day/2025/2025-08-12" rel="nofollow noopener" translate="no" target="_blank">https://tidytues.day/2025/2025-08-12</a> 🗞️ <a href="https://interactive.carbonbrief.org/attribution-studies/index.html" rel="nofollow noopener" translate="no" target="_blank">https://interactive.carbonbrief.org/attribution-studies/index.html</a>Submit a dataset! <a href="https://github.com/rfordatascience/tidytuesday/blob/main/.github/CONTRIBUTING.md" rel="nofollow noopener" translate="no" target="_blank">https://github.com/rfordatascience/tidytuesday/blob/main/.github/CONTRIBUTING.md</a><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#RStats</a> <a href="https://fosstodon.org/tags/PyData" class="mention hashtag" rel="nofollow noopener" target="_blank">#PyData</a> <a href="https://fosstodon.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#DataViz</a> <a href="https://fosstodon.org/tags/tidyverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#tidyverse</a> <a href="https://fosstodon.org/tags/r4ds" class="mention hashtag" rel="nofollow noopener" target="_blank">#r4ds</a>

éric 🚲 🇪🇺 :emacs:New blog post just published. This is the second in the series on heat exchanger network design.The post presents a simple, greedy (but not excessively so 🤔), algorithm for the layout of line segments in a two dimensional representation of the hot and cold streams for a network. The use of an evolutionary optimization method for finding good designs is considered.<a href="https://www.homepages.ucl.ac.uk/~ucecesf/blog/20250806.html" rel="nofollow noopener" translate="no" target="_blank">https://www.homepages.ucl.ac.uk/~ucecesf/blog/20250806.html</a><a href="https://fediscience.org/tags/HeatExchangerNetworkDesign" class="mention hashtag" rel="nofollow noopener" target="_blank">#HeatExchangerNetworkDesign</a> <a href="https://fediscience.org/tags/HeatExchangerNetworkSynthesis" class="mention hashtag" rel="nofollow noopener" target="_blank">#HeatExchangerNetworkSynthesis</a> <a href="https://fediscience.org/tags/HENS" class="mention hashtag" rel="nofollow noopener" target="_blank">#HENS</a> <a href="https://fediscience.org/tags/ProcessIntegration" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProcessIntegration</a> <a href="https://fediscience.org/tags/GreedyAlgorithm" class="mention hashtag" rel="nofollow noopener" target="_blank">#GreedyAlgorithm</a> <a href="https://fediscience.org/tags/ProcessSystemsEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProcessSystemsEngineering</a> <a href="https://fediscience.org/tags/Visualization" class="mention hashtag" rel="nofollow noopener" target="_blank">#Visualization</a> <a href="https://fediscience.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fediscience.org/tags/Optimization" class="mention hashtag" rel="nofollow noopener" target="_blank">#Optimization</a> <a href="https://fediscience.org/tags/ProcessOptimization" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProcessOptimization</a> <a href="https://fediscience.org/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#blog</a>

Dr. Chris Rackauckas :julia:<a href="https://fosstodon.org/tags/Julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#Julialang</a> Dispatch: we welcome Jacob Zelko, who takes us on a fascinating journey from his early days as a <a href="https://fosstodon.org/tags/biomedical" class="mention hashtag" rel="nofollow noopener" target="_blank">#biomedical</a> engineering student through his work at the CDC during the COVID-19 pandemic, and into his current exploration of applied <a href="https://fosstodon.org/tags/categorytheory" class="mention hashtag" rel="nofollow noopener" target="_blank">#categorytheory</a>.<a href="https://www.youtube.com/watch?v=HyMp1nLAHCQ" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=HyMp1nLAHCQ</a>

Emilia Jarochowska 🇺🇦🌱<a href="https://fosstodon.org/@tartley" class="u-url mention" rel="nofollow noopener" target="_blank">@tartley</a> progress report on my experiment. I have been religiously interacting with <a href="https://circumstances.run/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#Python</a> only via <a href="https://circumstances.run/tags/uv" class="mention hashtag" rel="nofollow noopener" target="_blank">#uv</a>. No installing outside of uv environments. Then I had to interact with some projects using poetry. So I also had Python installed by Poetry. Are these the same binaries or not? I haven't investigated. Uv would likely re-use the ones installed by Poetry. Does it work the other way round? Probs not. Anyways, this remains a virgin system, because I haven't had any <a href="https://circumstances.run/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a>, <a href="https://circumstances.run/tags/Jupiter" class="mention hashtag" rel="nofollow noopener" target="_blank">#Jupiter</a> or <a href="https://circumstances.run/tags/Quarto" class="mention hashtag" rel="nofollow noopener" target="_blank">#Quarto</a> on it yet - they're bound to be needed at some point and then it may break the harmony. Or just someone showing up with a good ol' pipenv. But at least starting from uv seems to delay the chaos.

éric 🚲 🇪🇺 :emacs:New blog post on the inspiration for a new Julia package I am writing.The package will address the optimization based design of heat exchanger networks for process integration (energy use reduction). The optimization will be based on decision variables defined on the basis of visualisation of hot and cold streams in a process.The blog post illustrates the concepts using gnuplot src blocks in org mode in Emacs and highlights a nice feature of code reuse in org mode. There is also a small example of the use of Emacs Calc to do some algebra.The plan is to have a series of blog posts as the code is developed. This is the first in the series.<a href="https://fediscience.org/tags/HeatExchangerNetworkDesign" class="mention hashtag" rel="nofollow noopener" target="_blank">#HeatExchangerNetworkDesign</a> <a href="https://fediscience.org/tags/HeatExchangerNetworkSynthesis" class="mention hashtag" rel="nofollow noopener" target="_blank">#HeatExchangerNetworkSynthesis</a> <a href="https://fediscience.org/tags/HENS" class="mention hashtag" rel="nofollow noopener" target="_blank">#HENS</a> <a href="https://fediscience.org/tags/Optimization" class="mention hashtag" rel="nofollow noopener" target="_blank">#Optimization</a> <a href="https://fediscience.org/tags/ProcessOptimization" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProcessOptimization</a> <a href="https://fediscience.org/tags/ProcessIntegration" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProcessIntegration</a> <a href="https://fediscience.org/tags/visualization" class="mention hashtag" rel="nofollow noopener" target="_blank">#visualization</a> <a href="https://fediscience.org/tags/Emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#Emacs</a> <a href="https://fediscience.org/tags/Calc" class="mention hashtag" rel="nofollow noopener" target="_blank">#Calc</a> <a href="https://fediscience.org/tags/EmacsCalc" class="mention hashtag" rel="nofollow noopener" target="_blank">#EmacsCalc</a> <a href="https://fediscience.org/tags/orgmode" class="mention hashtag" rel="nofollow noopener" target="_blank">#orgmode</a> <a href="https://fediscience.org/tags/gnuplot" class="mention hashtag" rel="nofollow noopener" target="_blank">#gnuplot</a> <a href="https://fediscience.org/tags/JuliaLang" class="mention hashtag" rel="nofollow noopener" target="_blank">#JuliaLang</a> <a href="https://fediscience.org/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#blog</a> <a href="https://www.homepages.ucl.ac.uk/~ucecesf/blog/20250730.html" rel="nofollow noopener" translate="no" target="_blank">https://www.homepages.ucl.ac.uk/~ucecesf/blog/20250730.html</a>

Dr. Chris Rackauckas :julia:New paper on fitting <a href="https://fosstodon.org/tags/neuroscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#neuroscience</a> models to neuroimaging and electrophysiological data! We show that the previous techniques within the field (Spectral DCM) can be greatly improved using automatic differentiation, <a href="https://fosstodon.org/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a> <a href="https://fosstodon.org/tags/sciml" class="mention hashtag" rel="nofollow noopener" target="_blank">#sciml</a>, ModelingToolkit, and more.This demonstrates how the optimization and Bayesian estimation of the Julia SciML tooling could be the tool analyzing your fMRIs in the near future!See the link for the full paper: <a href="https://direct.mit.edu/imag/article/doi/10.1162/IMAG.a.88/131630/Increasing-spectral-DCM-flexibility-and-speed-by" rel="nofollow noopener" translate="no" target="_blank">https://direct.mit.edu/imag/article/doi/10.1162/IMAG.a.88/131630/Increasing-spectral-DCM-flexibility-and-speed-by</a>

Javier 🖖🏃‍♂️🌻🟥🟨🟪Para no gastarme 400 €, estoy mirando emuladores de MSX.Me ha dejado 😳 el enterarme que en Japón salió al mercado MSX-Basic Kun. Permitía marcar secciones de código dentro de un programa en Basic. Al ejecutar el programa, compilaba esas partes y ejecutaba el programa con lo que se ganaba mucha velocidad sin tener que hacer prácticamente cambios. Comodidad del basic y rapidez del programa compilado, ¡décadas antes de Julia!A ver si puedo probarlo. <a href="https://mastodon.social/tags/msx" class="mention hashtag" rel="nofollow noopener" target="_blank">#msx</a> <a href="https://mastodon.social/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a>

Dr. Chris Rackauckas :julia:How successful has the SciML Small Grants program been at getting newcomers to contribute to open source software <a href="https://fosstodon.org/tags/oss" class="mention hashtag" rel="nofollow noopener" target="_blank">#oss</a> for <a href="https://fosstodon.org/tags/sciml" class="mention hashtag" rel="nofollow noopener" target="_blank">#sciml</a> <a href="https://fosstodon.org/tags/julialang" class="mention hashtag" rel="nofollow noopener" target="_blank">#julialang</a> and <a href="https://fosstodon.org/tags/ai4science" class="mention hashtag" rel="nofollow noopener" target="_blank">#ai4science</a>? Very!* 13 total projects initiated * ~90% success rateSee the blog post summary of the first year!<a href="https://sciml.ai/news/2025/07/20/sciml_small_grants_year_one_success/" rel="nofollow noopener" translate="no" target="_blank">https://sciml.ai/news/2025/07/20/sciml_small_grants_year_one_success/</a>

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