PhD in electrical engineering (control theory); interested in preventing "systems" from "blowing up".

Also, I sometimes feel a vocation to point out oversimplified pseudo-truths, preferably in my own bubble.

Interests:
#floss
#sustainability
#science
#KnowledgeRepresentation
#politics
#detoxification of discourse
#humor
#python
#tootfinder

Posting mostly in German, but I try to set the appropriate language attribute for each toot.

Cryptographic & Security Engineering

Previously: Founding & Lead iOS Engineer @signalapp

Tooting on all things #cryptography, #lithography, #energy, #security, #mobility, #climate, European #aerospace and federalism.

Free-range computer scientist living in Evanston, Illinois. Former academic. I teach computer science courses, but you'll probably find me yapping on about bikes, dogs, and other random stuff here. I wrote the Python Cookbook, 3rd Ed (O'Reilly) and Python Distilled (Addison-Wesley).

Norddeutsch | Politikwissenschaft | Linux Sysadmin | Trekkie | Europäer | KDE | FOSS | OpenSUSE | Digitale Bürgerrechte | Japanisch Lernender | Kein Amt, kein Mandat, kandidiert für nichts | Stoiker | #Freiheitsgrün

Lavoro con gli animali e spendo quasi tutto in libri e fumetti. Vivo con un uomo, due gatte e un probabile futuro hacker.
❤️antifascismo, pacifismo, giustizia sociale&climatica.
Membro di @Parents4FutureIT e admin del relativo profilo qui su Mastodon.
I miei toot si cancellano dopo 2 mesi.
Uso Fedora e Uffico Zero Linux.

#GenX. Father of teens. Professional juggler of ones and zeroes. Cares about #Ukraine, #Kubernetes, #Linux, #VintageComputing, trees, #Audiobooks about #scifi and #zombies and not being a dick to each other.

Occasionally in #Kyiv, delivering donated vehicles to the Ukranian army. Why? Because fuck you, Putin.

Admin of https://mstdn.dk

Free software (#FOSS) - vegan 🌱 - sustainability - #OneRights - finance - environment - transparency - Linux - freedom - fairness - politics - NL - 🐷 - 🤍❤️🤍 - 💙💛 - 🍉

Security (web, infra, app) nerd, has accepted that VR will never be a mass market, writer @heise Security
PGP fingerprint: C882 8ED1 7DD1 9011 C088  EA50 5CFA 2EEB 397A CAC1

Fediverse (Diaspora*) since 04.2011

Jak coś piszę to tam jest IMO i/lub „tak mi się wydaje”, weź to proszę pod uwagę zanim wytoczysz działa.

wariat: #DIY #pyra #beer #HomeBrewing #BeeKeeping #gentoo #linux #góry #paragliding #komar #RowerPower #poznań #poland #pl

achievements/badges
#AFERA #ATARI #FidoNet #JoggerPL #Łączka #MozillaPL #joindiaspora #PsionS5 #VW_type1

fun
#teamPegaz

flags
#fedi22

GPG fingerprint: D497 E17D 0C03 DEAD B3DF 56A3 6A51 21D2 8484 B424

#Genre researcher and #Grundtvig-scholar. Cheerleader, content accumulator, climate worrier (and sometimes warrior). Father of four. Recovering mansplainer; wannabe feminist. Dane; whatever that is. #Wikipedia admirer.

Be advised: I edit my toots a lot. Almost all of it proofreading.

Banner picture is a group of mammoths walking through a winter landscape with forests and mountains.

LGBTQ+ ally. #BLM
 #dkmastodon #WokeAF #RandomActsOfKindness #YIMBY #FBPE #FBR

Founder and CEO of Nextcloud, Co-founder and Vice Chair Eurostack, Board Member MariaDB Foundation, Founder of ownCloud, Free Software Developer, former KDE e.V. board member, Photographer

26 years old transfem from 🇲🇾. A friendly cat furry , solarpunk 🌱, and an anarcho-communist. Also likes pats and hugs

This silly kitty is a pansexual .

Hobbyist programmer of #rust and #haskell. Big fan of #nixos.

My posts/boosts consist of tech, solarpunk, furry art, humor, mental health, politics, kinky nsfw stuff, and me being silly.

Follow me if you want to hear more of my blabbing!

#noai MDNI

Linux user since the '90s. I use Darktable to edit photos. I'm an open culture advocate & my photos are in the public domain. I follow science, history, & photography toots. Now retired, I've been a: mechanic, construction worker, cab driver, laborer, fabricator, electrical engineer, cable technician, community organizer, lobbyist, podcaster (energy & EVs), fine art framer, & professional photographer (among many other things). I'm a Nov '22 dead bird site migrant. #NoAI #OpenCulture

Computer science, art, game design. Values autonomy, creativity and curiosity. Polyamorous. Introverted, organized. Humanist. Recurse Center alumn. Feelings: @nibryl

Curator of the https://glitchgallery.org, working on @teamtype.

Cientista da Computação. SysAdmin. Trabalhador da Educação Pública Federal do Brasil.

Mestrando em Educação Profissional e Tecnológica.

#Literatura #Música #Arte #Cultura #Education #Computer #Marxismo #fedi22

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Computer scientist. SysAdmin. Currently working for the Federal Public Education in Brazil.

Master (in progress) in Professional and Technological Education.

#cyberproletariat #omnilateraleducation #marx #gramsci #engels

Open Source Thing-doer, wandering around the Fediverse since ca. 2010. Posts are in English and (some) German with translation help at times.

#foss #florespondence #tzag
#nobot #nobridge she/her

Prior instance (archived): https://mastodon.social/@chillicampari

opinionated lurker of the intarwebs.

Used to write code, still do. c/c++, java, php, js, c#, gdscript, gnawed on sql, sparql, unix/windows etc etc billions of years ago.

tech, graphics, anything STEM
anything anthropology, history, linguistics
anything blender, gimp (although i scream using it), audacity
prefers not to be run over by cars

I drink Philz.

I do a (non-monetized) video or so a week on yt.

Tyranny and poverty are everywhere a mainstream economics phenomenon.

Engineer by training, communicator by profession, musician by passion. Open Source, open mind, open heart. Loves travel, turbulence, timpani. TW-SG-US-FI

(Active on Mastodon since April 2017)

Cara estranho, anarquista, entusiasta de FOSS, escritor e podcaster responsável por cometer o Teatro Escuro do Pensador Louco. Siga-me por tua livre e espontânea vontade.

Ontario Research Chair of Digital Governance for Social Justice, York University.

My latest book, "Move Slowly and Build Bridges: Mastodon, the Fediverse, and the Struggle for Democratic Social Media" was published by Oxford University Press late 2025.

Been on the fediverse since 2017. I'm now helping run AoIR.social

he/him

Trans rights are human rights. I boost #BlackMastodon and #MutualAid posts. I also call for alt text for accessibility.

Journaliste, principalement chez Next.ink
📚 L’envers de la Tech, Ce que le numérique fait au monde (Les Pérégrines, 2025) ; Technoféminisme (Grasset, 2023)
🎧 Podcasts Algorithmique, Écosystème : https://next.ink/podcasts/
📬 Dans vos boîtes mail avec Technoculture : https://technoculture.kessel.media/
📰 lue dans the Guardian, 20 Minutes, Numerama, Slate, etc