Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Dr Abeba Birhane @abeba.blacksky.app Founder & PI @aial.ie. Assistant Professor of AI, School of Computer Science & Statistics, @tcddublin.bsky.social
AI accountability, AI audits & evaluation. Cognitive scientist by training. Ethiopian in Ireland. She/her
ling0n 🍉 @ling0n.bsky.social Pratigast i universum. Fattig arbetare i restaurangbranschen. Har 1000+ intressen. Vegan. Sverigefinsk. Protector of the Female Gaze. Leviterar i Göteborg.
Har lite konstiga ljud på: https://soundcloud.com/ling0n
John Kennedy @micefearboggis.bsky.social Occasional climate scientist, diagram monkey, probabilistic historian, science anti-communicator. All views and opinions are my own. This is not, sadly, a promise of novelty: it’s a disclaimer. He/him. https://www.jkclimate.fr/
Crybaby 💧 @creepyweeper.bsky.social I went my reckless way serenly 🌻
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
Bruksdöd @bruksdod.bsky.social Are you not entertained? Is this not why you're here?
Värmland, marx, skuggor och gravstenar. Fuck around and find out.
.....
Moa Berglöf @moabrglf.bsky.social Female supremacist. No retreat, no surrender. Politisk redaktör på Sydsvenskan. Författare till Landsförrädare (2022) och Staben (2025). Go Gunners.
Post-Left Watch @postleftwatch.bsky.social Highlighting and keeping receipts on post-left (right-wing politics with vaguely leftist aesthetics) pundits and podcasters.
Ola Kalén @olakal.bsky.social PhD Physical Oceanography | Sea Level Rise | Climate change | Polar Science | Views my own
Christian Lindell @lindellch.bsky.social Kulturgeograf och utredare som då och då skriver nördiga inlägg om statistik och tror på folkbildning. Bor i Göteborg och Malmö.
Bloggar på https://lindellch.quarto.pub/statistik-och-strunt/ #rstats
Zeth Gogman🖤🚩 @zethgogman.bsky.social Kulturarbetare. Postmodern matriarkal antifascist av vegetariskt snitt. Bor på landet och gillar gotgrejer, metal, tofu och piri piri. Han/honom
https://zogman.substack.com
Karin Zackari @kzackari.bsky.social Optimistic pessimist and a former clarity. topics: critical human rights theory, human rights history, modern & contemporary history & politics of Thailand, unfreedom, anti-fascism.
Works in higher education. More personal & more pop music in Swedish.
Simon Campanello @simoncampanello.bsky.social Följ mig på Threads istället
Ulf, workling man @ulfons.bsky.social Sveriges tröttaste röntgare. Komplicerat förhållande med Landstinget.
Omdömesslös @cyniker2.bsky.social GBG, NPF-pappa, Socionom, Blåvit.
Twitter 2.0, nu med mera snäll + fejs!
Effin' Birds @effinbirds.com Daily comic by Aaron Reynolds that keeps on winning awards despite being nothing more than birds and curse words. Books, calendars and merch at effinbirds.com
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
Dana Nuccitelli @dananuccitelli.bsky.social Research Manager for @cclusa.org, environmental scientist, climate journalist for @climateconnections.bsky.social. Views my own.
Erik @epikrisa.bsky.social Associate professor, PI molecular psychiatry group at Gothenburg uni. (WCMTM fellow). Member of the Young Academy of Sweden. Resident psychiatrist. Physicist. Father of two. 🐈⬛🦮🧠⛵️🇸🇪 smedlerlab.org Founder of brainwest.org
Alexander Clarkson @aphclarkson.bsky.social Senior Lecturer for European Politics and History at King's College London. Opinions my own. RT not always endorsement.
Also to be found at @APHClarkson
https://www.ullstein.de/werke/die-macht-der-diaspora/hardcover/978354910
John Wiswell @wiswell.bsky.social Nebula Award & Locus Award winner. Novels: SOMEONE YOU CAN BUILD A NEST IN (2024), WEARING THE LION (2025), THE DRAGON HAS SOME COMPLAINTS (2026). Disabled. Ace/aro. He/him. https://linktr.ee/johnwiswell
★★★☆☆ @antteist.bsky.social ↑ Se Nya Blus
Prof Helen Bostock @oceanhelen.bsky.social Scientist Interested in all things oceans and climate (esp. carbon cycle). Bike rider, hiker and nature lover. Privileged white feminist. Advocate for diversity.
Willem Huiskamp @willemh.bsky.social Oceanography and paleoclimate scientist at @pik-potsdam.bsky.social |formerly @ccrc.bsky.social | Loves photography | AI hater
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
Anna Ardin @annaardin.bsky.social Kanske Sveriges enda woke-islamist som extraknäcker som evangelist. Professionell demokrat. 
Ronan Farrow @ronanfarrow.bsky.social Pulitzer-winning investigative journo at New Yorker. Documentaries at HBO. Ex-diplomat. Bad lawyer. Disused phd. Tips: ronan_farrow@newyorker.com.
Jerry Sköld @sergeitsardust.bsky.social Aka Argent. Writer? Artist? Executive dysfunction? Antifascist? Constantly tired? Yea. He/him
Jesper Fohlin @fohlin.bsky.social Jag är pappa! Det är det bästa som finns.
Övrigt:
-Musik!
-Film!
-Frågesportsledare
Försöker vara rolig, lyckas ibland.
Garrett M. Graff @vermontgmg.bsky.social Journalist & Pulitzer finalist Historian. Fmr ed, @PoliticoMag & @washingtonian. Author of "Watergate: A New History" and "The Only Plane in the Sky" and other books. garrett.graff AT gmail OR ProtonMail. Subscribe to my newsletter: Doomsdayscenario.co
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Stephen Schwartz @atomicanalyst.bsky.social Editor/Co-author, “Atomic Audit: The Costs and Consequences of US Nuclear Weapons Since 1940” • Nonresident Senior Fellow, Bulletin of the Atomic Scientists • Nuclear weapons expert (history, policy, costs, accidents) and tracker of the nuclear “Football.”
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
Dave Schmerler @schmerler.bsky.social 
Dmitry Stefanovich @dvsteff.bsky.social Nukes, missiles, military, space, tech, music, cats, #STRATDELA and #HYPERHYPE 
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
Scott LaFoy @wslafoy.bsky.social Open Source Analysis of ballistic missiles, nuclear weapons, BMD, DPRK, & PRC.
Vice President of Nuclear and Technology Security Programs, Exiger.
Making podcasts over at https://www.armscontrolwonk.com/
All opinions my own.
Aaron Stein @aaronstein1.bsky.social President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own
Decker Eveleth @dexeve.bsky.social PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP. 
Jamie Withorne @jamiewithorne.bsky.social Nuclear weapons, international politics, and “”emerging”” technology.
Doctoral Research Fellow in Political Science, University of Oslo
LearnWMD Spreadsheet and Substack: www.jamiewithorne.com
Frank O'Donnell @frank11285.bsky.social Research Program Head, @apln.network
Adjunct Fellow, @eastwestcenter.bsky.social
Opinions my own, reposts ≠ endorsement.
https://www.linkedin.com/in/frank-o-donnell-b84675158
James Schmeling @jschmeling.bsky.social Founder, Arsenal Industrial Restoration Partners. Restoring capacity. Rebuilding Readiness. Matching/restoring facilities with defense and commercial manufacturers. USAF veteran (AFTAC). President & CEO, National Defense University Foundation.
Adam Mount @ajmount.com Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.
Laura Grego @lauraegrego.bsky.social Senior scientist & research director, Global Security Program, ucsusa.org. Space, missile defense, nuclear weapons. 
Alex Bollfrass @bollfrass.bsky.social Nuclear weapons and intelligence history.
Stephen Young @atomicwonk.bsky.social Advocate for more sensible nuclear weapons policies, firm believer that we should not live in a world where hundreds of millions could be dead in an hour. Associate Director for Government Affairs, Global Security Program, Union of Concerned Scientists
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
Christopher Clary @claryc.bsky.social Assistant Professor of Political Science, University at Albany; Nonresident Fellow, Stimson Center- W woolaf @woolaf.bsky.social Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.
Tom Z. Collina @tomcollina.bsky.social Senior Policy Advisor, Ploughshares Fund. Coauthor, THE BUTTON. Proud husband, father, dog-person.
Mackenzie Knight-Boyle @mknight.bsky.social Research and Project Manager @ Federation of American Scientists - Nuclear Information Project
Mother to a demonic chihuahua named Pippin 🐾
Views are my own
François Diaz-Maurin @francoisdm.bsky.social Nuclear editor @thebulletin.org. Fmr MacArthur Found. & Marie S.-Curie fellow @stanfordcisac.bsky.social. Fmr engineer in US/French nuclear ind. 1st gen. Father x3. Cello. Synthbass. Kyokushin. Autism. | Tips: francois@thebulletin.org Signal: francoisdm.21
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
@emmaclairefoley.bsky.social @emmaclairefoley.bsky.social 
Caitlin Talmadge @proftalmadge.bsky.social MIT professor, Brookings senior fellow, series editor at Cornell Press ⎮ Foreign policy, military operations, civil-military relations, nuclear weapons, authoritarianism ⎮ Views are my own ⎮ Book: The Dictator's Army
https://www.caitlintalmadge.com/
Mark Bell @marksbell.bsky.social Associate Professor of Political Science at the University of Minneota, mostly studying nuclear weapons, international security, and US foreign policy. Opinions mine. www.markbell.org 
Daniel Salisbury @dbsalisbury.bsky.social Senior Fellow for Nuclear Arms Control, Non-Proliferation and Disarmament at the International Institute for Strategic Studies (IISS).
Tom Bielefeld @tombielefeld.bsky.social Researcher/Consultant/Trainer #NuclearSecurity & #Nuclear #Nonproliferation; @INS_Forum; @WINS_org; formerly Harvard's @BelferCenter; Chronotype/B, from #Bremen (Contact via https://sites.google.com/site/tombielefeld/)
Chase @chalexthegreat.bsky.social Nuclear weapons policy wonk. Opinions my own.
SOMA
RTs≠endorsements. he/him/his
Dr. Tara Drozdenko @tdrozdenko.bsky.social Director, Global Security Program @Union of Concerned Scientists. Working to reduce the risk of nuclear war, address the injustice and harm done by nuclear weapons, and move us closer to a world free from nuclear weapons. Oxford Comma enthusiast.
Casillic @casillic.bsky.social Critical Infrastructure, High Consequence / High Integrity Systems, Space, Nuclear, Mathematics, Public Health, HPC
Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Council for a Livable World @livableworld.bsky.social Political action to reduce and eventually eliminate nuclear threats. We've helped elect 400 Members of Congress since 1962.
livableworld.org
Federation of American Scientists @scientistsorg.bsky.social Striving for a safer world since 1945
science policy | nuclear weapons | clean energy | STEM education | artificial intelligence | data privacy | much much more
Ben Loehrke @nonstrategic.bsky.social Program Officer for Nuclear Weapons at Stanley Center for Peace and Security
Ex-Twitter @nonstrategic
https://stanleycenter.org
Rivet Amber @rivetamber.bsky.social Math, Physics, Computer hardware & Nuclear weapons history.
Maaike @maaikeverbruggen.bsky.social non-practicing intellectual on war & tech
NL/EN
Dylan Spaulding @dkspaulding.bsky.social Senior Scientist, Union of Concerned Scientists, Global Security Program. Views are my own.
Blog: blog.ucsusa.org/author/dylan-spaulding/
Council on Strategic Risks @councilonstrategicrisks.org CSR is dedicated to anticipating, analyzing and addressing core systemic risks to modern security. We work on climate and ecological security, biological and nuclear security, and track emerging risks as new technologies disrupt across all domains.
Mariana Budjeryn @mbudjeryn.bsky.social Researcher of nuclear, Ukraine, and nuclear Ukraine. Author of Inheriting the Bomb. MIT Center for Nuclear Security Policy, Brookings and RUSI nonresident, NAS CISAC, ACONA.
Jon B. Wolfsthal @jonatomic.bsky.social Nuclear Fellow @ Pax Sapiens, former Bulletin of Atomic Scientists and State Department International Sec Advisory Board, CNAS Sr. Fellow, former National Security Council. No #manels, Yankees/Gunners.
Nuclear Threat Initiative @nti.org A nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging tech threats imperiling humanity.
Eliana Johns @elianajjohns.bsky.social PhD Student @ University of Maryland & Research Advisor with Nuclear Information Project @ Federation of American Scientists | Talks about nukes and satellite imagery (views are my own)
J. Luis Rodriguez @jluisrodriguez.com Assistant Professor at George Mason's Schar School of Policy and Government | Affiliate at Stanford CISAC | Adjunct non-resident fellow at CSIS PONI | PhD from Johns Hopkins | International security, international law, and Global South | 🇺🇸 🇲🇽 🏳️🌈
Jamie Kwong @jamiekwong.bsky.social Fellow at the Carnegie Endowment for International Peace | KCL PhD | Nukes and nonpro | RT≠endorsement
Arms Control Association @armscontrolnow.bsky.social 
Asia-Pacific Leadership Network @apln.network A network of political, military, diplomatic and thought leaders in the Asia-Pacific working to address security challenges and eliminate nuclear weapons risks.
Bruno Tertrais @brunotertrais.bsky.social Deputy Director, Fondation pour la recherche stratégique.
Non-Resident Fellow, Institut Montaigne.
Geopolitics, strategy and stuff.
Personal account.
b.tertrais@frstrategie.org
Books: tinyurl.com/bdzbxnyx
Arnold Bogis @arnoldbogis.bsky.social Analyst, writer. Nuke/rad, health security, disaster preparedness. Worked here, there, everywhere. Cat dad. Views my own.
Alexander H. Montgomery @alexmontgomery.bsky.social Professor @reed.edu
Nonresident Senior Fellow @newamerica.org
IR/SNA/STS/WMD
alexmontgomery.com
http://tinyurl.com/oxhbpo
I'm not a donkey, I don't have a field.
Amy J. Nelson @amyjnelsonphd.bsky.social Foreign Policy & National Security
Nuclear and AI Futures
Senior Fellow, Future Security Program, New America
Adjunct Faculty, Georgetown University
Stephen Herzog @herzogsm.bsky.social Professor of the Practice, James Martin Center for Nonproliferation Studies | Associate, Harvard Project on Managing the Atom | nuclear arms control, nonproliferation, disarmament, technology
Rabia Akhtar @rabsaa.bsky.social Visiting Scholar, MTA, Belfer Center, HKS | Dean Social Sciences, University of Lahore, Director CSSPR https://csspr.uol.edu.pk/ PhD Security Studies, KSU | Author, The Blind Eye: US Nonprolif Policy towards 🇵🇰 Free e-book: https://csspr.uol.edu.pk/f2c
Pranay Vaddi @pranayrvaddi.bsky.social pers acct. fmr NSC46, State Dept. nukes, nonpro, arms control. Husband + suburban dad. All tweets/rt are my views alone.
https://strategicsimplicity.substack.com/
Cheryl Rofer @cherylrofer.bsky.social Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos on environmental cleanup, nuclear nonproliferation, and the nuclear fuel cycle.
She/her.
Blogs at Nuclear Diner and Lawyers, Guns & Money
Photo: Semipalatinsk Nuclear Test Site
🇵🇸Martin “Doomsday” Pfeiffer🖖🏳️🌈 @nuclearanthro.bsky.social Anthro PhD Candidate.
nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc.
QUEER
RT/Fave/etc ≠agree
he/him
http://patreon.com/nuclearanthro
http://paypal.me/nuclearanthro
https://osf.io/46sfd/
Mike Black @mikeblack114.bsky.social Are you shittin me?!?!! No, but you'll print that and I'll probably be investigated
Posts mine, but if you see something you think you can use to get me in trouble I did it on my own time and my own device, so good luck
Al Mauroni @progmil.bsky.social NatSec analyst, WMD and nukes, sci-fi enthusiast, gamer 
Rocky Flats Chimney Sweep 🇺🇸 @midlifesuezcrisis.bsky.social Materials science & nukes. Deterrence & what comes after.
Patriot, liberal firebrand, Catholic, last of the China hawks, Nitzean superman. Victory is possible.
Opinions my own / posts off the clock
Rekindling hearts in a world that grows chill.
LOWρUFO 🇺🇦🇵🇸🌍 @lowrhoufo.bsky.social Bi, Heat Transferer and Supercritical Fluid Enjoyer
Tech, culture, war, and war by other means
Supplying you with feelings via an efficient band
Ballistic missile maximalist
土法炼钢 manufacturing engineer
Nick Kodama @nickkodama.bsky.social PhD candidate at Georgetown | Researching nukes, IR, Japan, East Asia | Also posting photos of my cat and food.
John Carl Baker @johncarlbaker.bsky.social foreign policy, international peace and security, nuclear weapons, antiquity
Words: Nation, Bulletin of the Atomic Scientists, NK News, US Institute of Peace, New Republic, elsewhere
seniores tollunt omnia
Fantastrid @astridekstrand.bsky.social Jag växte upp med "Rädda Joppe". Det förklarar en hel del.
Dr. Heather Williams @heatherwilly.bsky.social Director, Project on Nuclear Issues (PONI) and Sr Fellow, Defense and Security Department at CSIS
Associate Fellow, Project on Managing the Atom at Harvard Kennedy School
New Yorker by birth, Bostonian by choice
Kristina Lindquist @syrran.bsky.social Kritiker, krönikör, folkislärare.
Ingen människa är illegal osv
Skriver oftast här: dn.se/av/kristina-lindquist
Laila @myrstack.bsky.social 
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
Kalle Kniivilä @kallekn.mastodonsweden.se.ap.brid.gy Journalist på Sydsvenskan i Lund.
Här i egenskap av mig själv.
Joskus suomeksikin.
🌉 bridged from ⁂ https://mastodonsweden.se/@kallekn, follow @ap.brid.gy to interact