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4 votes
3 answers
806 views

How long can nuclear power plants last without the power grid and humanity? [duplicate]

Here is the question: "Following an immediate, irreversible collapse of the power grid and the medium-term (few decades) disappearance of humanity, would would happen to nuclear power plants?&...
Baudshaw's user avatar
3 votes
3 answers
769 views

The late-victorian nuclear-thruster

Nuclear fission! How hard can that be? Nuclear reactors have been quietly humming under the earth's surface only a few billion years ago after all. It's very convenient then, that my planet's quite a ...
NimRad's user avatar
  • 1,222
9 votes
4 answers
1k views

Why would NSWR's be used when Orion drives are around?

In the setting I'm making, Orion drives are one of the primary forms of propulsion used in spacecraft. I have been thinking of adding Nuclear Salt Water Rockets (the lithium variety) alongside Orion ...
Seraphim's user avatar
  • 4,971
7 votes
1 answer
313 views

How long can the entire civilization be powered by converting all nuclear arsenal into commercial reactor fuel?

Imagine a miracle happened and all leaders decided to wind back the minute hand of the doomsday clock and passed a bill that can transform all kinds of nuclear weapons into fuel for power plants, ...
user6760's user avatar
  • 48k
26 votes
9 answers
8k views

Uranium block house heating

I'm thinking of building a very long term heating system for a housing complex. I want it not to rely on sunlight, wind or other fuels. And I just need the heat. The surroundings are pretty cold, so ...
Gensys LTD's user avatar
53 votes
19 answers
34k views

How can I build a Nuclear Reactor in my backyard? [closed]

In my world, having a nuclear reactor at your own house is legal, in fact government donates money in the form of subsidies ( So no constraints of funds). This might have been practical because of ...
Ashwani Tanwar's user avatar
2 votes
2 answers
580 views

Could an entire continent runs on a single fusion reactor plant by 2100?

Affected continent is Asia, the world is running out of coal and natural gas. A major mega structure project is underway, its goal is to provide electricity across the continent with a single fusion ...
user6760's user avatar
  • 48k