Spoilage, oh my.
What's next? Hunger and thirst?


Hmm, imagine biological assemblers that have to be fed to work... That'd be interesting.


That seems to be exactly what the Biochamber is. And I quote: "The quirk of the Biochamber is that it needs to be fed Nutrients to operate."
Although I ...

Spoilage seems like a very interesting mechanic. I can imagine optimizing and designing some JIT manufacturing setup to leave materials in their most resilient form until otherwise needed, and I think that's a lot more engaging than simply having a spoilage mechanic only to nullify it by adding ...

[...] rather than [...] just saying "consumes nuclear fuel [as a general terminology for fuel type]"...

That is actually what it's doing. Uranium fuel cells are classified as Nuclear fuel (1).
uranium fuel cell.png


Compare to coal, which is a Burnable fuel.
coal.png


Or nuclear fuel (2 ...

TL;DR
Rename the nuclear fuel item (to something else more unique, I would suggest Kovarex fuel) to reduce ambiguity with the nuclear fuel category of items.

What ?
The term "nuclear fuel" currently refers to 2 things in Factorio:
1) A category of items that can be burned in a nuclear reactor ...