this post was submitted on 30 Oct 2025
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cross-posted from: https://sh.itjust.works/post/48838029

Today, in things I'd read on a fading screen in a half destroyed building in a Fallout game...

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[–] givesomefucks@lemmy.world 48 points 23 hours ago (2 children)

On Tuesday, the US Department of Energy (DOE) launched an application for interested parties to apply for access to a maximum of 19 metric tonnes — a little under 42,000 pounds — of weapons-grade plutonium, which has long been a key resource undergirding the US nuclear arsenal.

42,000 pounds of weapons grade plutonium...

Fat man was around 15lbs...

So this would be enough to make ~2,800 nuclear bombs of similar strength to put into context how much this is.

[–] kinsnik@lemmy.world 13 points 22 hours ago (1 children)

you can't build Skynet without a nuclear arsenal, after all

[–] givesomefucks@lemmy.world 29 points 22 hours ago

The whole thing is insane...

Like, "we" don't even let some countries have nuclear reactors, because it can (over decades) result in a couple ounces of this shit.

And we're giving double digit metric tons to some crazy chatbot brain rotted billionaire.

The amount of fucked this is can not be understated. This is something worse than we've started 20 year wars over

[–] peoplebeproblems@midwest.social 8 points 19 hours ago

Ah. Well. Now I know how they're funding themselves.

They're illegally selling weapons grade plutonium to sanctioned countries, PMCs, rebel groups, and if I had to guess other companies in general to start the next step of a cyber punk dystopia: armed corporate conflict.

[–] Darkcoffee@sh.itjust.works 27 points 1 day ago

I also posted this here a few days ago and it got deleted. Hurrah if it remains, it's worth a post here!

[–] Chainweasel@lemmy.world 23 points 20 hours ago (2 children)

ChatGPT is going to nuke my house for repeatedly asking it if there's a seahorse emoji.

In all seriousness though, I assume it's for nuclear power to satisfy the exponentially growing need for electricity, but if we're going to be building reactors they should be powering the grid and reducing our dependency on fossil fuels, not privately owned reactors for corporations.

[–] resipsaloquitur@lemmy.world 18 points 20 hours ago (2 children)

You don’t need weapons-grade material for power.

[–] shalafi@lemmy.world 8 points 19 hours ago (1 children)

Now I'm wondering if plants that are designed to run enriched uranium will have to be totally rejiggered or it's a relatively simple change.

[–] scathliath@lemmy.dbzer0.com 4 points 18 hours ago* (last edited 18 hours ago)

It might require a great deal of rejiggering because the fission output of the materials are not one to one. Kinda the whole point of weapons grade, you can't achieve a neutron cascade for efficiency in a weapon if you don't already have a kinda unstable "rock". Granted some reactors are designed to work better with a doped mix already.

[–] ameancow@lemmy.world -2 points 18 hours ago (1 children)

I don't even have to read the article to know it's going to be absolutely overflowing with misinformation and exaggeration and outright lies for clicks.

Nobody knows how nuclear power or fission works, people broadly cannot fathom any of it, but it sure sells a headline.

[–] viking@infosec.pub 1 points 3 hours ago

It's actually quite well written and not as clickbaity as one might think.

[–] ameancow@lemmy.world 1 points 18 hours ago

Maybe it's a start?

I know our future is probably going to be a war and famine torn hellscape of human suffering no matter what happens, but it's possible in the medium-term future this will be a good thing.

I mean, there's nothing we can do to stop this wacky combination of tech oligarchs without a shred of human sanity and a government run by toddlers and podcasters, but AT LEAST this may lead to the normalization of nuclear power.

I thought growing up on PBS that people everywhere would be embracing nuclear power by now, but it turns out that I might be part of the 0.00001% of the population who have even a trace of knowledge how it works, and people are largely still terrified of nuclear power plants. Fukushima didn't help with that.

Another way of looking at it, Sammy is gonna make absolutely sure that ChatGTP only spouts positive propaganda about nuclear power, which while he's doing it for his personal gain, if it makes people embrace it more, it will actually help us all.

Alternatively, just dirty bombs for the next century.

[–] obinice@lemmy.world 22 points 18 hours ago (2 children)
[–] resipsaloquitur@lemmy.world 5 points 18 hours ago

Moar cylons?

[–] hsr@lemmy.dbzer0.com 2 points 4 hours ago

Altman does seem like a guy who would turn his head away mid-conversation and talk to invisible entities.

[–] ArchmageAzor@lemmy.world 17 points 21 hours ago (1 children)

Other nations should be responding to this as an attack. It's endangering the whole world.

[–] MachineFab812@discuss.tchncs.de 1 points 19 hours ago

That's what we've been trying to tell the world about Iraq, Iran, North Korea, and even Cuba. That last one's strategically debatable, but for the rest "we should treat it as an attack" was a lie then.

Its no more or less of a lie now. Encouraging other countries to embrace reactionary foreign policy is no more of a good idea than following the US' lead on the matter.

[–] zr0@lemmy.dbzer0.com 16 points 18 hours ago (1 children)

And the title could not be further away from reality.

To save you a click: Sam Altman was in the board of directors of a startup, which is working with uranium. Sam Altman left that position weeks ago. Sam Altman is not getting his hands on plutonium, nor is OpenAI.

[–] stefenauris@pawb.social 14 points 23 hours ago (1 children)
[–] Thedogdrinkscoffee@lemmy.ca 9 points 21 hours ago (2 children)

True, but how and when and why matter.

[–] peoplebeproblems@midwest.social 4 points 19 hours ago

Why is easy, they like killing people. That's literally why the Nazis did it.

When is a ????

How will largely be famine and disease, but large numbers from the blast and radiation itself.

[–] Mechaguana@programming.dev 12 points 23 hours ago

Thanks americans who sold the rest of the world to your masters

[–] meco03211@lemmy.world 10 points 23 hours ago (3 children)

Is there a functional difference between "weapons grade" plutonium and the plutonium that would be used in a nuclear reactor?

[–] Kirp123@lemmy.world 29 points 23 hours ago* (last edited 23 hours ago)

Yes.

From Wikipedia:

Plutonium is identified as either weapons-grade, fuel-grade, or reactor-grade based on the percentage of 240Pu that it contains. Weapons-grade plutonium contains less than 7% 240Pu. Fuel-grade plutonium contains 7%–19%, and power reactor-grade contains 19% or more 240Pu. Supergrade plutonium, with less than 4% of 240Pu, is used in United States Navy weapons stored near ship and submarine crews, due to its lower radioactivity.

Weapon Grade Plutonium has lower concentration because Plutonium has a high rate of spontaneous decay which means it leads to issues with detonations in bombs.

[–] eerongal@ttrpg.network 8 points 23 hours ago (1 children)

Yes, actually. They're both different mixes of plutonium isotopes. Iirc reactor grade plutonium is far more stable than weapons grade (because blowing up is less desirable for reactors than bombs), and has some different properties when used.

[–] MachineFab812@discuss.tchncs.de 2 points 19 hours ago (1 children)

You've got it backwards. Weapons-grade is more stable. Less stability is fine for reactors, because they are designed to manage the reaction on an on-going basis and not, in general, blow up.

[–] eerongal@ttrpg.network 2 points 18 hours ago

Quite possible. I'm not an expert and working from memory, so I could very well get something wrong

[–] minnow@lemmy.world 0 points 23 hours ago* (last edited 23 hours ago)

Yes, "weapons grade" has a higher purity being almost entirely made of fissile isotope Pu-239

"Reactor grade" has a greater variety of isotopes.

The functional difference is that the higher purity is required to make nuclear bombs, hence "weapons grade." Purity was a significant hurdle in nuclear arms development and one if the reasons the US got the bomb before Germany or the USSR which both struggled to get sufficient purity.

[–] FishFace@piefed.social 9 points 21 hours ago (1 children)

Article talks about energy but not why they're using weapons grade plutonium for that purpose. Anyone got an informed reason?

[–] ThePantser@sh.itjust.works 6 points 23 hours ago

I've been saying all along, a name like Sam Altman is obviously an android here from the future to ensure the rise of Skynet. Why else would an AI need nuclear weapons?

[–] AtariDump@lemmy.world 4 points 14 hours ago
[–] ninjabard@lemmy.world 4 points 23 hours ago

Does he need it for his DeLorean?

[–] DarkCloud@lemmy.world 3 points 23 hours ago* (last edited 22 hours ago)

GPT will know what to do with it, and keep track of how much ot has.

... actually maybe GPT will be sent to the nearest habitable planet as an tool for preparing aliens for human contact, or just a peaceful info exchange.

[–] crispy_caesus@feddit.org 2 points 4 hours ago

Why is the author sharing concern for the US' defensive capabilities "to threaten nuclear obliteration" (or something along these lines)?

I mean first of all they have a quantity of hundreds these, of which only a few of will essentially destroy our world as we know it.

But then also how is this even something to be seen negatively, in what way are capabilities of nuclear war something to be seen this desireable.

[–] MachineFab812@discuss.tchncs.de 1 points 19 hours ago (1 children)

"Weapons grade" is actually more stable and less prone to blowing up without constant management, who knew?

Nothing-burger.

[–] cley_faye@lemmy.world 1 points 17 hours ago (2 children)

Isn't it also more prone to violently explode under appropriate management?

[–] MachineFab812@discuss.tchncs.de 2 points 17 hours ago* (last edited 16 hours ago) (1 children)

Apparently, the opposite is the case. Funny story, when making a bomb, blowing up during construction, storage, or delivery to the target is an un-desirable trait.

[–] wolframhydroxide@sh.itjust.works 3 points 15 hours ago (1 children)

I think they meant "isn't it also much better at blowing up when you want it to?"

[–] MachineFab812@discuss.tchncs.de 2 points 13 hours ago

... but its not? Literally, the "harder" part about making a bomb with reactor-grade material is keeping it from blowing-up prematurely, while still getting maximum yeild at boom-boom time.

A less-advanced nation might get a lesser explosion out of a "safer"(doesn't explode until its supposed to) bomb with reactor-grade material, but its still going to be a massive, nuclear explosion, and the unspent fuel creates additional radio-active fallout.

Apparently, civilized-countries' worst nightmare regarding weapons-grade plutonium is that those that "shouldn't" have "the bomb" could build them and then be able to shelve them for a later, legitimate threat. Oh, and not being able to cry "they built a dirty bomb!!" if such were ever used.

[–] Lucidlethargy@sh.itjust.works 1 points 5 hours ago

It's okay, they are using ChatGPT.

...okay, we're definitely in danger of a dirty bomb.