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11 votes
8 answers
5k views

How might nuclear power have never been developed?

I've been thinking about a world in which nuclear power and nuclear weapons were never developed. What kind of mechanism would allow this to be possible? Nuclear weapons seem the easiest option, with ...
Adam Reynolds's user avatar
3 votes
4 answers
421 views

How could a creature derive energy from radioactive elements?

Have a creature that doesn't really need vitamins or minerals, it only requires energy which goes through a energy-matter conversion to build what it needs. Radioactive materials would be great ...
Chickenpeep's user avatar
  • 2,503
10 votes
6 answers
1k views

Feasability of miniature nuclear reactors for humanoid cyborgs

The idea is to build a cybernetic body for a human. Only the brain and a few glands related to emotions, like adrenal glands, will be kept. The brain and the glands will be in a closed, plug-and-play,...
Geronimo's user avatar
  • 2,527
1 vote
4 answers
756 views

What would the effects be if all power grids connected to nuclear reactors abruptly suffered catastrophic failure?

To be more specific, I mean what if every wire, every power cable and transformer on the connected grids to the nuclear power plants all ruptured at once. The transformers literally exploding, the ...
Obelisk's user avatar
  • 1,940
3 votes
4 answers
874 views

Lead as a nuclear fuel

On a timescale of 1e11 years, all uranium and thorium will have decayed, but planets will still exist, orbiting red dwarf stars. Would it be possible to use lead as a nuclear fuel? In principle, the ...
rwallace's user avatar
  • 4,906
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
5 votes
4 answers
781 views

How can nuclear power produce -electricity- in space when energy must be converted differently?

Hear me out before you downvote; It's not as simple as it seems. On Earth, nuclear reactions produce heat energy. This is used to heat water, creating steam, powering turbines connected to generators ...
Zxyrra's user avatar
  • 20.6k
2 votes
2 answers
484 views

A modern or near-future civilization without nuclear technology?

Would it be possible for a fully modern civilization (i.e. quite like our own, perhaps slightly more advanced, with near-future tech) to arise on an Earth-like planet devoid of uranium, plutonium, ...
greatconcavity's user avatar