Johannes H. Jensen

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Researcher, unconventional computing, material computation, artificial spin ice. Maintainer of flatspin.
Researchhttps://www.ntnu.edu/employees/johannes.jensen
GitHubhttps://github.com/joh
flatspinhttps://flatspin.gitlab.io/
flatspin 2.6 released! 🎉 Check what's new at https://flatspin.gitlab.io/2.6/reference/changelog.html
Changelog

New magnetic creatures discovered in artificial spin ice! We present still life, oscillators and new types of gliders. Read all about it in our latest paper "Artificial Life in-materio", hot off the press: https://direct.mit.edu/isal/proceedings/isal2025/37/66/134050 @CAL_NTNU @COMET_NTNU
Snakes in the Plane: Controllable gliders in a nanomagnetic metamaterial. Check out our latest paper about the magnetic snakes! https://www.nature.com/articles/s41467-025-62515-1 @COMET_NTNU @CAL_NTNU
From the Physical ALife session
#ALIFE2025
Debian 13 "trixie" has been released, thanks to everyone involved! "trixie" images are available for download at https://www.debian.org/distrib/ or you can run apt full-upgrade as always ;-) #debian #debian13 #trixie #ReleasingDebianTrixie
Download Debian

As we wrap up the live coverage of #ReleasingDebianTrixie, our heartfelt thanks to our Developers, Contributors, Sponsors, Friends, and Users for the years of support and community building. Enjoy Debian 13 "trixie"! #debian #debian13 #trixie
I'm finally a doctor! Last week I defended my thesis against my honorable opponents, professors Vassilios Kapaklis and Christopher Marrows. It was a blast! It took 10 tries to get everyone in the committee to look in the same camera, but just like my PhD, we got there in the end 👨‍🎓
flatspin 2.4 released! 🎉 Once docs have been generated, check what's new at https://flatspin.gitlab.io/2.4/reference/changelog.html
If I could only change a tiny nanomagnet in your heart, I would do it non-invasively using our astroid clocking method. ❤️ https://doi.org/10.1038/s41467-024-45319-7
Our latest research on "Clocked dynamics in artificial spin ice", has been published in Nature Communications! Interested in precisely flipping magnets without local access? Check it out https://doi.org/10.1038/s41467-024-45319-7