Playing around with humidity sensitive salts with the kiddos. Pink/blue is CoCl2, green/brown is CuCl2, light blue Cu(OH)2. Other ideas? Possibly not too toxic, and possibly that I can make with scrap metals, HCl, H2O2 and ammonia.

Teachers have been striking two days a week for a month in Vaud. As a parent, it's a pain, but they're right to strike. Cutting public services that work well when there is no budget crisis and no debt is idiotic and self-damaging. Taxes are so effing low in 🇨🇭 anyway!

👏 Congratulations to Prof. Dirk Grundler, head of the Laboratory of Nanoscale Magnetic Materials and Magnonics (LMGN) on his promotion to Full Professor of Materials Science in the School of Engineering! More info: actu.epfl.ch/news/nominat...

Congrats to 🧑‍🚀 Sergey Pozdnyakov who received a distinction (best 8% of theses at @materials-epfl.bsky.social) for his PhD thesis "Advancing understanding and practical performance of machine learning interatomic potentials". Поїхали 🚀! infoscience.epfl.ch/entities/pub...

No day goes by without a new universal #ML potential. But how different they really are? Sanggyu and Sofiia tried to give a quantitative answer by comparing the reconstruction errors between their latent-space features. If you are curious, check out the #preprint arxiv.org/html/2512.05...

San Diego! Must admit I did miss the perpetual summer.

Another day, another talk. Looking forward to the impromptu workshop organized by Yang Shao-Horn's lab!

Boston dawn at the #MRS25. One talk done, two to go for this 🇺🇸 pre-xmas grand tour. May the saint protector of jet lag help me.

Yearly reminder that growing food is hard.

the ICLR review process is rapidly turning into a theater of the absurd 🍿

📢 PET-MAD is here! 📢 It has been for a while for those who read the #arXiv, but now you get it preciously 💸 typeset by @natcomms.nature.com Take home: unconstrained architecture + good train set choices give you fast, accurate and stable universal MLIP that just works™️ www.nature.com/articles/s41...

If you're at EPFL and want to know about the new hybrid B200+B40s cluster Lyra 😋, that will arrive mid-2026, don't miss the user meeting on Thursday, December 11th, from 2:30 to 3:30pm. Check your e-mail or ask [email protected] to get the zoom link 😁

made by a friend of a colleague. iykyk

I was very curious of the @iclr-conf.bsky.social experiment of allowing LLM use in reviews, as I've used LLMs to "self-review" @labcosmo.bsky.social manuscripts and found it quite powerful. Sadly, what I'm seeing is all slop. I thought CS grad students would be better at LLMs. Experiment failed 🤷

💡Exciting innovation from the Laboratory of Photonic Materials and Fiber Devices! Prof. Fabien Sorin and his team have developed a innovative stretchable electronic fiber. Read more in Nature Electronics: www.nature.com/articles/s41...

Time to reach for the wallet. And maybe time for the PSF to consider relocating to a country that is not sliding into the dark ages, or at least not so quickly.

‪In this blog post, Filippo Bigi, Marcel Langer (@labcosmo.bsky.social‬) and @micheleceriotti.bsky.social write about the need to balance speed and physical laws when using ML for atomic-scale simulations aihub.org/2025/10/10/m...

A primer for non conservative (& rotationally unconstrained) MLIPs, and how to use them safely. Thanks @aihub.org for the space! aihub.org/2025/10/10/m...

🌍 EPFL’s Institute of Materials (IMX) is offering 6-month funded fellowships for external Master’s students in Materials Science. Join one of IMX’s world-class labs and gain hands-on research experience at the cutting edge of materials science. 👉 lnkd.in/enNeKmTh

Are you or do you know a smart, motivated Master student in a materials-adjacent area interested in doing a research project at EPFL? The @materials-epfl.bsky.social MX Fellowship applications open today sti.epfl.ch/smx/mx-fello.... Choose a lab, send your file, and spend up to six months at EPFL!

Looks like @ox.ac.uk forbids their researchers to do any kind of literature search, though it seems that thankfully they can still submit to the arxiv arxiv.org/abs/2510.00027 🤷

I have a new opening for several funded PHD positions in my group (the Computational Quantum Science Lab, at EPFL). If you are a talented, motivated student, please apply here www.epfl.ch/labs/cqsl/jo.... I am especially looking to hire in scientific ML applications/NQS; not in quantum computing.

Flying ITA and 🤞 I'll make it alive. Total shitshow. I think they'll end up bankrupt like all the Alitalia descendants have before them, hope after I land.

📝 We have been told (& been telling) that ML potentials are linked quite directly to the expansion of the atomic energy into pairs, triples, and so on. But is this actually true 🤔? Go read the latest from the 🧑‍🚀 team (w/QM help from Joonho's team at Harvard) to find out more arxiv.org/html/2509.14...

'this the season! 🍄

Anticipating 🧑‍🚀 Wei Bin's talk at #psik2025 (noon@roomA), 📢 a new #preprint using PET and the MAD dataset to train a universal #ml model for the density of states, giving band gaps for solids, clusters, surfaces and molecules with MAE ~200meV. Go to the talk, or check out arxiv.org/html/2508.17...!

📢 Now out on @physrevx.bsky.social energy, journals.aps.org/prxenergy/ab... from 🧑‍🚀 @dtisi.bsky.social and Hanna Türk, our #PET -powered study of the dynamic reconstruction of LPS surfaces, and how it affects their structure, stability and reactivity.

Really having a hard time not to miss out at #psik2025. Six parallel tracks, all filled to the brim with relevant talks makes me wish I also had parallel attendance ability.

We're introducing ShiftML3, a new ShiftML model for chemical shielding predictions in organic solids. * ShiftML3 predicts full chemical shielding tensors * DFT accuracy for 1H, 13C, and 15N * ASE integration * GPU integration Code: github.com/lab-cosmo/Sh... Install from Pypi: pip install shiftml

🚨 #machinelearning for #compchem goodies from our 🧑‍🚀 team incoming! After years of work it's time to share. Go check arxiv.org/abs/2508.15704 and/or metatensor.org to learn about #metatensor and #metatomic. What they are, what they do, why you should use them for all of your atomistic ML projects 🔍.

If you are excited about 30x longer time steps in molecular dynamics using FlashMD, but are worried about it not being symplectic, Filippo has something new cooking that should make you even more excited. Head to the #arxiv for a preview arxiv.org/html/2508.01...

Two new recipes landed in the #atomistic-cookbook 🧑‍🍳📖. One explaining how to fine-tune the #PET-MAD universal model on a system-specific dataset, one training a model with conservative fine tuning. Check them out on atomistic-cookbook.org/examples/pet... and atomistic-cookbook.org/examples/pet...

📢 Shout-out for `scwidgets`, a library of ipython widgets to make interactive pedagogic notebooks without all the boilerplate code. I started it for a "computational thinking" class at @materials-epfl.bsky.social. Thanks to many 🧑‍🚀, led by Alex Goscinski, it's now clean, documented and on pypi.

Very eloquent letter from a bunch of Swiss-based Field medalists science-under-threat.com Switzerland has been extremely generous in funding its researchers, and has reaped huge returns. Cutting because of a completely artificial deficit brake is entirely avoidable self-mutilation.

Very proud to send Filippo Bigi to Vancouver to give an oral presentation at @icmlconf.bsky.social about our investigation of the use of "dark-side forces" in atomistic simulations. The final version is here openreview.net/forum?id=OEl... and it's worth a read even if you already read the #preprint

German dance music should be forbidden outside of an Oktoberfest tent. And *maybe* stadiums. #strongopinions

🎉 DFT-accurate, with built-in uncertainty quantification, providing chemical shielding anisotropy - ShiftML3.0 has it all! Building on a successful @nccr-marvel.bsky.social-funded collaboration with LRM🧲⚛️, it just landed on the arXiv arxiv.org/html/2506.13... and on pypi pypi.org/project/shif...

#metatensor day about to start! Join us on zoom if you're not at #EPFL epfl.zoom.us/j/68368776745 @nccr-marvel.bsky.social

#HPC is the engine of #AI. AI would not exist without HPC! AI is the workload of HPC. AI is HPC!! Closing words of #ISC25 Program Chair Torsten Hoefler 🇨🇭 ETH Zürich and CSCS signing off the conference

CECAM is thrilled to announce that Prof. Giulia Galli (UChicago) has been awarded the 2025 Berni J. Alder CECAM prize, for her transformative contributions to computational molecular science in the domain of novel methods for large-scale electronic structure & molecular dynamics simulations

"Don't miss the next IMX talk: 📅 5 June 2025 at 9:30 🎙️ Prof. Robert Carpick, University of Pennsylvania 🔎 Seeing the Hidden Interface: Revealing Nanoscale Mechanisms of Contact, Adhesion, and Wear by in situ Experiments Find out more: memento.epfl.ch/event/imx-ta...

📢 Running molecular dynamics with time steps up to 64fs for any atomistic system, from Al(110) to Ala2? Thanks to 🧑‍🚀 Filippo Bigi and Sanggyu Chong, with some help from Agustinus Kristiadis, this is not as crazy as it sounds. Let us briefly introduce FlashMD⚡ arxiv.org/html/2505.19...

Science just broke @overleaf.com #keepinvestigating

This is the way. @erc.europa.eu erc.europa.eu/news-events/...

The PET-MAD universal forcefield mingled with the dark side, and got twice as fast 🚀. Read on, or head to the 🧑‍🍳📖 atomistic-cookbook.org/examples/pet..., if you are curious of what this is all about. #atomistic-cookbook #compchem #machinelearning #mlip🧵

📢 For those who missed the #preprint, torch-pme is now published in @aip.bsky.social #JChemPhys. #compchem classics like Ewald and P3M meet #machine learning. Read all about it here pubs.aip.org/aip/jcp/arti...

Feeling a bit silly today so I'm switching all the default searches on my devices to swisscows.com 🇨🇭 autarky FTW 🖕 google

Great initiative, maybe the @snf-fns-ch.bsky.social can think of something similar!

I rarely have been more excited about one of our papers. Come join the PET-MADness, to get better #ML potentials with less data 📈!

The paper describing our community effort to collect and organize #plumed tutorials has been published in the Journal of Chemical Physics, as part of the Michele Parrinello Festschrift! doi.org/10.1063/5.02...