this post was submitted on 24 Aug 2025
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Dry cask storage is a method for safely storing spent nuclear fuel after it has cooled for several years in water pools. Once the fuel rods are no longer producing extreme heat, they are sealed inside massive steel and concrete casks that provide both radiation shielding and passive cooling through natural air circulation—no water is needed. Each cask can weigh over 100 tons and is engineered to resist earthquakes, floods, fire, and even missile strikes. This makes it a robust interim solution until permanent deep geological repositories are available. The casks are expected to last 50–100 years, though the fuel inside remains radioactive for thousands. Dry cask storage reduces reliance on crowded spent fuel pools, provides a secure above-ground option, and buys time for nations to develop long-term disposal strategies. In essence, it’s a durable, self-contained “vault” for nuclear waste

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[–] individual@toast.ooo -1 points 3 weeks ago (1 children)
[–] spankmonkey@lemmy.world 6 points 3 weeks ago (2 children)

Hard to air cool when buried.

Did you not even read the post text?

[–] Imgonnatrythis@sh.itjust.works 1 points 3 weeks ago (2 children)

My basement is air - cooled. I think it doable.

[–] stankbucket@lemmy.world 4 points 3 weeks ago (1 children)

Your basement is not buried unless it's an actual bunker, but then it's not under a house.

[–] sniggleboots@europe.pub 2 points 3 weeks ago

It's a two-story bunker, checkmate

[–] LemmyPlay 1 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

😂

Alright, boys. We're gonna develop nuclear technology based off this basement here

[–] Imgonnatrythis@sh.itjust.works 1 points 2 weeks ago

I'll dig up my blueprints.

[–] individual@toast.ooo -2 points 3 weeks ago (2 children)
[–] pulsewidth@lemmy.world 2 points 3 weeks ago

Tldr: borderline impossible, and incredibly expensive.

Each cask weighs 100 tonnes. That would be larger than any single object payload launched into space. There are 'super heavy lift vehicles' designed to carry around that or more, but the only successful ones so far have been single-use and cost over a billion dollars for each launch. There's SpaceX's 'Starship' but that's only designed to get payloads into low earth orbit, and Musk has stated that it can currently only realistically take loads of 40-50 tonnes to low earth orbit - oh, and all of this has also cost an absolute fortune for each launch. Multiply that cost by the many thousands of casks and..

You know what, I'm starting to think you should stop making suggestions.

[–] spankmonkey@lemmy.world 1 points 3 weeks ago (1 children)
[–] individual@toast.ooo 1 points 3 weeks ago

that makes sense