Following

@safecast.org

@jamoross.bsky.social @jamoross.bsky.social
Seymour Brown @foonly.bsky.social Retired IT network guy and science nerd.
Tourmalaine @tourmalaine.bsky.social I read a lot, and I reread a lot. It's good! My wide profile picture is Bernie Sanders with Totoro and the girls, by ‪Kevin Sukho Lee! kevinsukholee.bsky.social
Michaël Mangeon @mangeon4.bsky.social Histoires du #nucléaire. Docteur, chercheur associé EVS UMR5600, consultant, enseignant. Mes propos n’engagent que moi.
Hanford Challenge @hanfordchallenge.bsky.social Working to transform the Hanford Nuclear Site's toxic nuclear legacy into a model of safe and effective cleanup. www.hanfordchallenge.org
Dr Huw Rhys Jones | 💻⚛️🏴󠁧󠁢󠁷󠁬󠁳󠁿⚽️ @hrjones.bsky.social Computer scientist and machine learning engineer. Proud to have been working in the nuclear industry for the past decade. Currently working in developing commercial fusion power. Interested in science, politics, 3D printing https://youtube.com/@caistec
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
Tara Tiger Brown, PhD 🌲💚 @taratigerbrown.bsky.social Nature + Health Researcher studying how natural environments support stress regulation, social connection, and meaning. Created Sit Spot Club and Silent Trails.
Dr. Taylor Loy @tayloraloy.bsky.social Virginia Tech Postdoc (STS), nuclear energy/nonpro. Former SRO instructor nuke worker. he/him. https://tritiummatters.org Diss: https://hdl.handle.net/10919/120638 Day One: https://fas.org/publication/fusion-energy-leadership-tritium-capacity/
Nick Touran @whatisnuclear.com Ph.D./P.E. nuclear engineer and nuclear educator who runs https://whatisnuclear.com. Thinks about how to deliver nuclear power reliably and cheaply, advanced reactors, reactor history, energy.
Aditi Verma @repeatedroots.bsky.social
Karina Kozłowska @karinakozlowska.bsky.social
Prof Claire Corkhill @clairecorkhill.bsky.social Professor of Mineralogy at University of Bristol, HMG Advisor. Aspirational TV presenter. Step-parent. Trail runner / squelcher. Specialises in geological disposal of radioactive waste.
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.
Quinta Jurecic @qjurecic.bsky.social Writing about law and democracy at The Atlantic, previously Lawfare. Not a lawyer. It's KWIN-ta. Signal: qjurecic.32
Carole Cadwalladr @carolecadwalla.bsky.social Investigative journalist. Ex-Guardian/Observer. Now co-founder brand new all-women journalist collective, www.thenerve.news. Tech justice stuff: www.the-citizens.com. Personal newsletter: www.broligarchy.substack.com
StPetePolls @stpetepolls.bsky.social Florida Polling organization based in Pinellas County, Florida
Brian Hendrickson @hoverkitty.bsky.social proptech founder https://radious.pro - created the official pickleball ratings system, gold medalist 2025 World Championships + 2023 US Open / pickleball - sports photog/owner of Bullet Cat @bulletcatmeme.bsky.social
Rob Oudendijk @robouden.bsky.social Learning about life.
ray ozzie @ozz.ie still building
Andre M Chagas @iamchagas.bsky.social #openhardware, #neuroscience, #openscience, some photos, some posts about running, rants about #academia... Leading the Open Science Lab at Life Science @Uni Sussex. Creator & co-maintainer @open-neuroscience.com https://open-neuroscience.com/
Roses and Wispons (They/Them) @clairelasaraguatos.bsky.social Shipping. I'll retweet other Ships here. Tears of the roses (March 30, 1998) https://ko-fi.com/sleepyartisthere Tears of roses 🌹🌹🌹
Markus Fuchs @fataloverdose.bsky.social I am and always will be the optimist. The hoper of far-flung hopes, and the dreamer of improbable dreams. 3D Printers, Arduino, Raspberry Pi, Hardware, Software Dev, Gaming, Retro Gaming,...
Digital Naturalism Laboratories @dinalab.bsky.social A jungle makerspace for field biology in Gamboa, Panamá. www.dinalab.net We also organize the Digital Naturalism Conference: http://2025.dinacon.org
julianstirling @julianstirling.bsky.social OpenFlexure Microscope Core Developer, Chief Executive of the Humanitarian Technology Trust, Waterwheel Volunteer, Parish Councillor, Cider Drinker
Vincenzo Marra @enzomarra.bsky.social Neuroscience, bioscience techniques, electronics. enzomarra@mstdn.social Based in the Netherlands.
Margaret Gold @mobilemaggie.bsky.social 🇨🇦 🇳🇱 #CitizenScience and #OpenScience are my jam. I run the Citizen Science Lab at Leiden University, and co-lead the CS-NL network.
SpaceKate @spacekate.bsky.social Space journalist, rocket chaser, storyteller. Advocate for diversity and women in STEM. ISU SSP12. Alter-ego of @radiokate.com www.youtube.com/@NTKSpace
mapconcierge @mapconcierge.bsky.social Professor of Aoyama Gakuin Univ./President of MAPconcierge & CrisisMappers Japan/Researcher of CSIS,u-tokyo/Member of OSGeoJP & OSMFJ/Ambassador of Mapbox
Iain Darby @iaindarby.bsky.social I’m a physicist who works in RD&I on nuclear technologies, working hard on the green transition.
Nick Kodama @nickkodama.bsky.social PhD candidate at Georgetown | Researching nukes, IR, Japan, East Asia | Also posting photos of my cat and food.
Katharine Hayhoe @katharinehayhoe.com climate scientist posts 100% my own 🇨🇦 is my home distinguished professor & chair, Texas Tech chief scientist, The Nature Conservancy board member, Smithsonian NMNH advisor, Lawson Climate Inst UofT alumna, UToronto and UIUC author, Saving Us
Donald Tusk @donald-tusk.bsky.social Premier Rzeczypospolitej Polskiej 🇵🇱 Prime Minister of Poland 🇵🇱
Adam Kinzinger @adamkinzinger.substack.com Dad. Husband. Former GOP congressman. Voted to impeach Trump. Now fighting for our democracy. Lt. Col. Air National Guard (ret). Founder of Country First Adamkinzinger.komi.io Adamkinzinger.com
Bloomberg News @bloomberg.com The first word in business news. Newsletters: http://bloom.bg/newsletters Podcasts: http://bloom.bg/podcasts The Big Take podcast: http://trib.al/jtoXfuT
Tim White @twmcltd.bsky.social Trained journalist, Editor, documentary maker and sports commentator. Ukraine expert. Numbers nerd. Almost famous on Xitter! Coffee donations accepted! https://ko-fi.com/twmcltd
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
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.
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global. Want to support our charity? bellingcat.com/donate
Thomas Rid @ridt.bsky.social @ridt on X
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.”
🇵🇸Martin “Doomsday” Pfeiffer🖖🏳️‍🌈 @nuclearanthro.bsky.social Anthro PhD Candidate. nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc. Presumptive #AuDHD QUEER RT/Fave/etc ≠agree he/him http://patreon.com/nuclearanthro http://paypal.me/nuclearanthro https://osf.io/46sfd/
Jeffrey Lewis @armscontrolwonk.bsky.social Distinguished Research Fellow FPRI, member of the National Academies Committee on International Security and Arms Control, and former member of the State Department's International Security Advisory Board.
Sean Bonner 🔥 @seanbonner.com Artist. Troublemaker. Misanthropologist. 🖥️ https://seanbonner.com 💬 https://t.me/justanothercrowd
OSINTtechnical @osinttechnical.bsky.social PAI enjoyer, OSINT guy ‪@truth.bsky.social‬ , my views/freezing cold takes are my own. Standard spiel about not endorsing retweets, likes, and comments.
WarTranslated (Dmitri) @wartranslated.bsky.social 🇪🇪 Estonian blogger focusing on Russia/Ukraine | 18+ version: https://t.me/wartranslated | Glory to #Ukraine!
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
NPR @npr.org This is NPR 🎙️
Gerry Doyle @mgerrydoyle.bsky.social Bloomberg News Global Defense Editor. Novelist, aviation geek, bartender, dad. Ex-NYT, Reuters. Grew up in Midwest, moved to Mideast. Views my own. Wrote a fun book about Chinese missiles: https://tinyurl.com/2p94pay6 Ad astra per aspera
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
Heather Cox Richardson (TDPR) @hcrichardson.bsky.social Historian. Author. Professor. Budding Curmudgeon. I study the contrast between image and reality in America, especially in politics.
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.
Funranium (AKA Phil Broughton) @funranium.bsky.social The Cenobite of Sharing The Black Blood of the Earth and Steins of Science guy. Everyone’s friendly internet laser safety officer and health physicist. Happy to answer Antarctica questions. www.funraniumlabs.com
Vatnik Soup @vatniksoup.bsky.social Fighting Disinformation since 2022. All soups: https://vatniksoup.com/ Debunk of the Day: https://vatniksoup.com/en/topics/debunk-of-the-day/ Why we soup: https://vatniksoup.com/en/soups/vs2/ Support our work: https://vatniksoup.com/en/support-our-work/
JJ MacNab @jjmacnab.bsky.social Fellow, George Washington University's Program on Extremism. UC Berkeley alumna. Cats are badass.
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else. ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor." Signal: gbrumfiel.13 https://geoffbrumfiel.net/
Jake Godin @godin.bsky.social Senior Researcher, Bellingcat. Previously at Scripps News.
Nick Waters @nickwaters.bsky.social Award winning journalist, still interested in using open source information for accountability.
Aric Toler @aric.bsky.social Visual Investigations at The New York Times
Shayan Sardarizadeh @shayan86.bsky.social BBC Verify senior journalist | verification, AI, disinformation, conspiracy theories, open source investigations | shayan.sardarizadeh@bbc.co.uk
Wim Zwijnenburg @wammezz.bsky.social Environmental open-source investigations, tracking drone warfare, research based advocacy for PAX, contributer Bellingcat.
Veli-Pekka Kivimäki @vpkivimaki.bsky.social Intelligence analyst by day, OSINT in academia, engineer at heart. Now: Finnish Security and Intelligence Service. Adjunct, Johns Hopkins. Past: Finnish Defence Forces, Bellingcat, Microsoft, Nokia.
FT Visual & Data Journalism @data.ft.com The FT’s team of reporters, statisticians, illustrators, cartographers, designers, and developers work with colleagues across our newsrooms, using graphics and data to find, investigate and explain stories. https://www.ft.com/visual-and-data-journalism
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber Chairman @silverado.org Author of WorldOnTheBrink.com Host GeopoliticsDecanted.com podcast Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS Co-Founder CrowdStrike @DAlperovitch elsewhere
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon Signal: KimZ.42 https://www.zetter-zeroday.com
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Brandy Zadrozny @brandyzadrozny.bsky.social Reporter lady @ms.now Signal username: brandyzadrozny.53 Email from a non-work account: brandy.zadrozny@ms.now
Shashank Joshi @shashj.bsky.social Incoming Washington bureau chief at The Economist. Previously defence editor for eight years. Visiting Fellow at Department of War Studies, KCL. For speaking engagements: https://chartwellspeakers.com/speaker/shashank-joshi
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here. All coordinates are at http://russianforces.org/podvig
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
Joseph Dempsey @josephhdempsey.bsky.social Research Associate for Defence & Military Analysis, The International Institute for Strategic Studies
Dan Kaszeta FRHistS @dankaszeta.bsky.social 🇬🇧 London-based. 🇺🇸/🇬🇧 dual citizen. CBRN expert. Freeman of the City of London. Liveryman. "Legal Juggernaut". Anglican. Ex Verger. Author. Fellow of the Royal Historical Society. Scourge of llamas. Former US Army. Former USSS. #NAFO Fella
George William Herbert @georgewherbert.bsky.social IT/Cloud/SRE/PE, rockets & missiles, nukes not going bang, space, CS, ships. YIMBY & amateur transit geek. Part time adjunct @ miis.edu teaching Missiles & Missile Defense. I speak for myself only not $DAYJOB. V95.45XA I do #OSINT against nuclear missiles.
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/)
Shea Cotton @sheacotton.bsky.social
Michael Duitsman @duitsmanms.bsky.social Fellow at the Foreign Policy Research Institute. Rocket propulsion and radiological security (usually not at the same time). Opinions my own. Faves/RTs ≠ endorsements
Ulrike Franke @rikefranke.bsky.social Senior Fellow at European Council on Foreign Relations. #Drone politics PhD @ox.ac.uk. Teaches at @SciencesPo.bsky.social. Writes about all things #Germany #Defence #miltech. Podcast host at @SicherheitsPod.de & LeCollimateur
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
Marco Langbroek @marcolangbroek.bsky.social Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own. blog: http://sattrackcam.blogspot.c
Dave Schmerler @schmerler.bsky.social
Hans de Vreij @vreij.bsky.social I'm a Dutch journalist bringing you a news selection about the war in Ukraine and Iran, as well as general defence issues. Former correspondent in Geneva, Berlin, Prague, and Brussels. Ex-correspondent of Jane's Defence Weekly. Studied Russian.
Ruth Deyermond @ruthdeyermond.bsky.social Senior Lecturer, Department of War Studies, King's College London. Russian foreign & security policy, US foreign policy, US-Russia relations, European security. Views are my own.
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/
Pavlo Tkachenko @pavlentij.bsky.social Ukrainian 🇺🇦 Proud father of 👧🏼 and 👦 Developer of SaveEcoBot – digital Ukrainian environment: radiation, air quality, pollution complaints, legal data, eco finances 💚
Roger McNamee @moonalice.com From 1982 to 2015, I invested in tech. Since 2016, I have been working for reform of the tech industry. Author of NYT bestseller Zucked: Waking Up to the Facebook Catastrophe. Musician in Moonalice (https://www.moonalice.com/splash) Phillies fan.
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Conspirador Norteño @conspirator0.bsky.social Data Scientist/Musician/Participant in the General Confusion. Oppose autocracy and research/counter disinformation. I serve the realm. Caution: frequent cat photos. https://conspirator0.com/ https://www.youtube.com/watch?v=C1ItrZiqTLw
Alex Kaplan @alkapdc.bsky.social Senior Researcher at Media Matters, focusing on social media misinformation, disinformation, & online extremism. Statements are mine, not employer's. Send tips to akaplan@mediamatters.org.
Seamus Hughes @seamushughes.bsky.social I read a lot of court records because I like a good story. Won a Pulitzer a couple times. “A well-known PACER watcher” - Justice Department
Molly McKew @mollymckew.bsky.social Writer/lecturer on Russian influence & information warfare | lead writer of greatpower.us | Be excellent to each other
Ruth Ben-Ghiat @ruthbenghiat.bsky.social Historian; Author, NYT Bestseller Strongmen; Publisher, Lucid, a Substack newsletter on authoritarianism and threats to democracy; Film & TV Consultant
Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
Julia Davis @juliadavisnews.bsky.social Columnist @TheDailyBeast, creator of the Russian Media Monitor, sanctioned by Russia. I watch Russian state TV, so you don't have to. Author of a book "In Their Own Words: How Russian Propagandists Reveal Putin’s Intentions."
Tatarigami @tatarigami.bsky.social Former UA officer Founder of the Frontelligence Insight: https://frontelligence.substack.com To support my work: http://buymeacoffee.com/frontelligence
ChrisO_wiki @chriso-wiki.bsky.social Independent military history author and researcher. If you find my writings interesting or useful, any tips are appreciated: http://ko-fi.com/chrisowiki
TINKEBELL. @tinkebell.bsky.social sometimes i believe as many as six impossible things, even before breakfast - currently saving the world. courtesy TORCHGallery Amsterdam. / www.tinkebell.com
Mehdi Hasan @mehdirhasan.bsky.social Editor and CEO, Zeteo Author, ‘Win Every Argument’ British-American