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François Diaz-Maurin

@francoisdm.bsky.social

1.7K followers 450 following 810 posts

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. Kyokushin. Cello. Autism. | Tips: [email protected] signal: francoisdm.21

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François Diaz-Maurin @francoisdm.bsky.social · 2d

Happy to be heading to Little Rock for the @outrider.org Nuclear Reporting Summit this week.

outrider.org/conference/2...

#nuclearrisk #nuclearweapons #journalism #nukesky

Reposted by François Diaz-Maurin

Sara Goudarzi @saragoud.bsky.social · 5d

The Trump admin’s $100,000 fee on H-1B visa applications and attempt to change the visa program is threatening Silicon Valley’s ability to attract the world’s top talent and may scuttle US AI ambitions touted by the president himself, @jeremyhsu.bsky.social explains in a @thebulletin.org piece.

How Trump’s new H-1B fee will hurt Silicon Valley and AI startups

The Trump administration’s $100,000 fee on H-1B visa applications is threatening Silicon Valley’s ability to attract the world’s top talent.

thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 5d

🚨 JUST IN: The Saudi-Pakistani ‘strategic mutual defense’ pact is a wake-up call to Washington—and a warning to Israel and Iran, writes @noureid.bsky.social in @thebulletin.org.

#nuclearweapons #Pakistan #SaudiArabia #MiddleEast #deterrence #proliferation #nukesky

The Saudi-Pakistani 'strategic mutual defense' pact that no one saw coming

The Pakistan-Saudi Arabia pact signals Riyadh's discontent with US security guarantees, and its willingness to use strategic ambiguity against Israel and Iran.

thebulletin.org

Reposted by François Diaz-Maurin

Bulletin of the Atomic Scientists @thebulletin.org · 7d

Over the weekend, Britain, France, and Germany—a group known as the E3—triggered the "snapback" of United Nations sanctions on Iran.

This shrinks the possibility of successful diplomacy and fuels escalation, writes @sinatoossi.bsky.social.

Why Europe's snapback gamble against Iran will backfire

European and US officials have said that diplomacy remains an option. But Europe's "snapback" of UN sanctions on Iran shrinks the possibility of successful diplomacy and fuels escalation.

thebulletin.org

Reposted by François Diaz-Maurin

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 On Wednesday, the Zaporizhzhia Nuclear Power Plant was still supplied with electricity by diesel generators, a week after being cut off from power reportedly because of Russian shelling. Ukrainian President Volodymyr Zelensky called the situation at Zaporizhzhia "a threat to everyone."

From Zaporizhzhia to Natanz, nuclear piracy is equally dangerous—and illegal

On Wednesday, the Zaporizhzhia Nuclear Power Plant was still supplied with electricity by diesel generators, a week after being cut off from power reportedly because of Russian shelling. Ukrainian Pre...

thebulletin.org

Reposted by François Diaz-Maurin

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: Existing international humanitarian law prohibiting attacks against nuclear facilities has proven to be a fragile bulwark in Ukraine and Iran. The UN needs reform, @alialkis.bsky.social argues in @thebulletin.org.

#Zaporizhzhia #nuclear #safety #Iran #Natanz #nukesky

Reposted by François Diaz-Maurin

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: European and US officials have said that diplomacy remains an option. But Europe's "snapback" of UN sanctions on Iran shrinks the possibility of successful diplomacy and fuels escalation, writes Sina Toossi (@sinatoossi.bsky.social).

#nuclearweapons #Iran #E3 #Europe #sanctions #nukesky

Why Europe's snapback gamble against Iran will backfire

European and US officials have said that diplomacy remains an option. But Europe's "snapback" of UN sanctions on Iran shrinks the possibility of successful diplomacy and fuels escalation.

thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: Existing international humanitarian law prohibiting attacks against nuclear facilities has proven to be a fragile bulwark in Ukraine and Iran. The UN needs reform, @alialkis.bsky.social argues in @thebulletin.org.

#Zaporizhzhia #nuclear #safety #Iran #Natanz #nukesky

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 On Wednesday, the Zaporizhzhia Nuclear Power Plant was still supplied with electricity by diesel generators, a week after being cut off from power reportedly because of Russian shelling. Ukrainian President Volodymyr Zelensky called the situation at Zaporizhzhia "a threat to everyone."

From Zaporizhzhia to Natanz, nuclear piracy is equally dangerous—and illegal

On Wednesday, the Zaporizhzhia Nuclear Power Plant was still supplied with electricity by diesel generators, a week after being cut off from power reportedly because of Russian shelling. Ukrainian Pre...

thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 8d

@thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: European and US officials have said that diplomacy remains an option. But Europe's "snapback" of UN sanctions on Iran shrinks the possibility of successful diplomacy and fuels escalation, writes Sina Toossi (@sinatoossi.bsky.social).

#nuclearweapons #Iran #E3 #Europe #sanctions #nukesky

Why Europe's snapback gamble against Iran will backfire

European and US officials have said that diplomacy remains an option. But Europe's "snapback" of UN sanctions on Iran shrinks the possibility of successful diplomacy and fuels escalation.

thebulletin.org

Reposted by François Diaz-Maurin

Bulletin of the Atomic Scientists @thebulletin.org · 8d

"There's just a handful of bad actors right now that are trying to prevent meaningful progress on climate, and unfortunately the United States now happens to be one of them." — @michaelemann.bsky.social.

Michael Mann, on how the second US withdrawal from the Paris Agreement may alter the world’s climate change landscape

The green energy transition will continue despite United States roadblocks, because "what's going to determine the trajectory of clean energy is not about the US in isolation. It's also about what’s happening in other countries [...]"

thebulletin.org

Reposted by François Diaz-Maurin

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: The intellectual debates and personal dynamics that unfolded during a 1984 retreat in Big Sky, Montana, defined the US nuclear policy and shaped the agreements that would help end the Cold War, Fen Hampson (@fenhampson.bsky.social) writes.

#nuclearweapons #ColdWarHistory #nukesky

The untold story of a 1984 Montana retreat that shaped US nuclear policy for decades

The intellectual debates and personal dynamics that unfolded in Big Sky, Montana defined the nuclear policy discussions of the 1980s and shaped the agreements that would help end the Cold War.

thebulletin.org

Reposted by François Diaz-Maurin

Jon B. Wolfsthal 🤯 @jonatomic.bsky.social · 8d

Fascinating. #nuclear

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: The intellectual debates and personal dynamics that unfolded during a 1984 retreat in Big Sky, Montana, defined the US nuclear policy and shaped the agreements that would help end the Cold War, Fen Hampson (@fenhampson.bsky.social) writes.

#nuclearweapons #ColdWarHistory #nukesky

The untold story of a 1984 Montana retreat that shaped US nuclear policy for decades

The intellectual debates and personal dynamics that unfolded in Big Sky, Montana defined the nuclear policy discussions of the 1980s and shaped the agreements that would help end the Cold War.

thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 8d

@thebulletin.org @belfercenter.bsky.social @managingtheatom.bsky.social

François Diaz-Maurin @francoisdm.bsky.social · 8d

🚨 JUST IN: The intellectual debates and personal dynamics that unfolded during a 1984 retreat in Big Sky, Montana, defined the US nuclear policy and shaped the agreements that would help end the Cold War, Fen Hampson (@fenhampson.bsky.social) writes.

#nuclearweapons #ColdWarHistory #nukesky

The untold story of a 1984 Montana retreat that shaped US nuclear policy for decades

The intellectual debates and personal dynamics that unfolded in Big Sky, Montana defined the nuclear policy discussions of the 1980s and shaped the agreements that would help end the Cold War.

thebulletin.org

Reposted by François Diaz-Maurin

Jessica McKenzie @jessimckenzi.bsky.social · 9d

In the event of a shutdown, the Office of Management and Budget is recommending reductions in force (layoffs) for “all employees” in all “programs, projects, or activities” that are “not consistent with the President’s priorities.”

What does that mean for US Earth and climate science?

‘Wholesale destruction’: Government shutdown or not, critical science programs are at risk

The Trump administration has proposed devastating cuts to federal Earth and climate science programs, and a government shutdown could give them an opportunity to begin implementing those cuts.

thebulletin.org

Reposted by François Diaz-Maurin

Jessica McKenzie @jessimckenzi.bsky.social · 9d

Earlier this year the president proposed cutting NASA’s budget by 24 percent, the clearest indication of his priorities going into a possible shutdown. Funding for Earth science programs specifically would be cut by MORE THAN HALF.

These are some of the satellite & space instrument missions at risk

NASA missions at risk under the Trump administration

The Trump administration has proposed cancelling more than 40 NASA missions, including at least 14 Earth science missions.

thebulletin.org

François Diaz-Maurin @francoisdm.bsky.social · 9d

🚨 New cool feature! Get a short-run series of weekly emails highlighting the best of the @thebulletin.org's coverage on some of our most-read topics, including the Doomsday Clock, the Bombings of Hiroshima & Nagasaki, and women in nuclear policy.

Check them out!

thebulletin.org/email-courses/

Topic Deep Dives ⁠— Bulletin of the Atomic Scientists

The Bulletin's content is both influential and understandable--an authoritative guide that confronts man-made threats to our existence.

thebulletin.org

Reposted by François Diaz-Maurin

Bulletin of the Atomic Scientists @thebulletin.org · 12d

Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for the United States, writes @jonatomic.bsky.social. ⬇️

Why President Trump should put off the new nuclear arms race for one more year

New START "was negotiated in 2010 and is set to expire in February of next year. After it expires, there will be no restrictions on the number and types of nuclear weapons that those two countries can build and deploy."

thebulletin.org

Reposted by François Diaz-Maurin

Jon B. Wolfsthal 🤯 @jonatomic.bsky.social · 12d

I really appreciate the @thebulletin.org publishing my thoughts on why Trump should accept Putin’s offer to extend New START nuclear caps for one more year.

thebulletin.org/2025/09/why-...

US does not need more nukes (yet) to deter China and if we race, Russia could build more than US can.

Why President Trump should put off the new nuclear arms race for one more year

Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for the United States.

thebulletin.org

Reposted by François Diaz-Maurin

Bulletin of the Atomic Scientists @thebulletin.org · 10d

Each year, the Bulletin of the Atomic Scientists convenes a community of leaders in science, policy, business, and philanthropy for an evening of solutions-focused dialogue.

Join us for Conversations Before Midnight on November 12th in downtown Chicago.

Conversations Before Midnight

Join the Bulletin community for an extraordinary night of action, insight, and connection on November 12, 2025.

thebulletin.org

Reposted by François Diaz-Maurin

Bulletin of the Atomic Scientists @thebulletin.org · 10d

Getting into a nuclear arms competition with Russia or China is a losing proposition for the United States, writes @matthew-bunn.bsky.social.

"My advice: Never get into an arms race with a country that can build a functioning hospital in two weeks—as China did during the pandemic."

Putin just gave Trump the opportunity to maintain nuclear restraint. Will he seize it?

Extending New START will also give time for Trump to work with Russia and China on future arms control accords.

thebulletin.org

Reposted by François Diaz-Maurin

Joe Cirincione @joecirin.bsky.social · 12d

A humiliation for Netanyahu as he blusters to a nearly empty hall. The zealots will follow him off the cliff, but most of the world now sees Israel as a pariah state.

www.nytimes.com/2025/09/26/w...

Defiant Netanyahu Denounces Palestine Recognition, to a Mostly Empty U.N. Hall

www.nytimes.com

Reposted by François Diaz-Maurin

Jon B. Wolfsthal 🤯 @jonatomic.bsky.social · 12d

Thanks to @thebulletin.org for publishing. And to @scientistsorg.bsky.social team for the unparalleled analysis on nuke numbers.

François Diaz-Maurin @francoisdm.bsky.social · 12d

🚨 JUST IN: Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for the United States, writes Jon Wolfsthal (@jonatomic.bsky.social) in @thebulletin.org.

#nuclearweapons #NewSTART #nukesky #Trump #Putin #China

Why President Trump should put off the new nuclear arms race for one more year

Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for the United States.

thebulletin.org