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How to survive the heat death of the universe?

Yes. The head death of the universe is a result of energy in the universe settling down to absolute zero. The solution would involve increasing that amount of available energy before that point is ...
lilHar's user avatar
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1 vote

Feasible compact fusion power source

If you want to have some unexpected development actually giving commercial fusion, you could look at the Polywell reactor. This invention has an impeccable pedigree, with contributions from Farnsworth ...
Richard Kirk's user avatar
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2 votes

Feasible compact fusion power source

Might I suggest muon-catalyzed fusion? The muon is an elementary particle very similar to an electron, but about 200 times more massive. They can bind to atomic nuclei in a similar way to how ...
Someone Else 37's user avatar
7 votes
Accepted

Feasible compact fusion power source

TL;DR: probably not a tokamak, probably not much smaller or lighter than a loaded 20ft ISO container. Fusion reactions produce radiation, and you want to be able to turn that radiation into useful ...
Starfish Prime's user avatar
7 votes

Feasible compact fusion power source

TAE Technologies is working on a fusion reactor design "the size of a truck" with the current goal of a commercial prototype by 2030. The TAE reactor is a long, relatively narrow machine, ...
Monty Wild's user avatar
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1 vote

Efficient method of storing energy in a near-future, semi-hard sci-fi game

An island-of-stability element is likely to have extremely high mass density, so just make the stuff so heavy and hard that it makes the general idea behind those ridiculous concrete-block-crane grid-...
Matthew Najmon's user avatar
4 votes

Feasible compact fusion power source

Unless we fundamentally misunderstand how fusion is going to work, this ain't happening at all, let alone in 75 years. The problem with fusion is that you need to be able to dump an ENORMOUS amount of ...
controlgroup's user avatar
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11 votes
Accepted

Efficient method of storing energy in a near-future, semi-hard sci-fi game

Perhaps Pretorium has a stable nuclear isomer that can store a lot of energy for a long time, and is easy to trigger to release that energy, making it ideal to be used to make a nuclear battery If ...
Monty Wild's user avatar
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3 votes

Could a biological organism power itself with electricity like a smartphone (or something similar)?

I believe the primary issue is that some form of non energy nutrient is still needed. A typical creature has physical structure, comprised of various cells, maintained and allowed to grow by nutrients ...
Nerd of games and books's user avatar
2 votes

Efficient method of storing energy in a near-future, semi-hard sci-fi game

Don’t store energy. Transmit it. Your petorium could provide a perfect receiver for laser-transmitted EM signals, so as long as your satellite/tower network is nearby, devices can operate. I think ...
SRM's user avatar
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9 votes

Efficient method of storing energy in a near-future, semi-hard sci-fi game

Frame-challenge. This is a science-fiction answer to a science-based question. I wrote it that way because the constraints of the elements on the projected island of stability as science knows them ...
Escaped dental patient.'s user avatar
5 votes

Efficient method of storing energy in a near-future, semi-hard sci-fi game

So if the element was discovered in the future and it is on the island of stability, this element must have an atomic number above 119 and is a theoretical element. As stated the pretorium has a half-...
Khorzin's user avatar
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