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Questions about the radioactive decay of nuclei, the radiation emitted in the process of such decay, and the effects thereof on the world. Compare [weak-force] and [nuclear-power].

46 votes

What could make a planet more radioactive at night?

The radioactivity will peak at night during blooms, but radiation levels might already be safe enough by day after the radioactive gas has spread thin. …
The Square-Cube Law's user avatar
3 votes
Accepted

How to prevent radioisotopes from entering the crust of a rocky planet

(...) naturally prevent the radioisotopes from getting enriched in the crust (...)? Sit and wait But don't hold your breath. You may also need a planet around a red dwarf star for this, as the Sun w …
The Square-Cube Law's user avatar
6 votes

Flashbang grenade that leaves a (radioactive) trace on people?

As Dutch said in his answer, if you use any amount of radioactive material that you could trace afterwards, that will hardly be harmless due to people inhaling dangerous radioactive dust. Let me propo …
The Square-Cube Law's user avatar
10 votes

Can a radioactive moon affect life on a planet?

Could it be radioactive enough to cause significant cancer increase, radiation sickness and mutations? Not here, probably not elsewhere either A radioactive moon could give out radiation in five for …
The Square-Cube Law's user avatar
8 votes
Accepted

What kind of hazardous alien waste would tear apart society trying to obtain it?

Please see my answers to: What would be the most expensive material to an intergalactic society? And: Could there exist a quantum virus which breaks someone's body down to fundamental particles? In my …
The Square-Cube Law's user avatar