For a second, I thought "capsule" meant "pill." "Pod" would've been a better word.
Obligatory:
Does it have "quick and painless", "slow and horrible", and "clumsy bludgeoning" settings?
What do they do with the bodies?
Obligatory:
Does it have "quick and painless", "slow and horrible", and "clumsy bludgeoning" settings?
What do they do with the bodies?
This idea has too many moving components, I don't think it's a good idea.
There are already companies who sell dual-use nitrogen equipment for home brewing and "home brewing."