• Dasus@lemmy.world
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    8 个月前

    Pumping the cell with carbon dioxide

    I think you mean “monoxide”.

    Breathing in carbon dioxide is nasty.

    Shake a soda bottle when it’s somewhat empty and then open it and take a breathe.

    It’s definitely something you’d notice, and most certainly not painless or stress free.

    Euthanasia chambers use just nitrogen. The air is already 80% nitrogen, so breathing it is completely unnoticeable, you’ll just become hypoxic with the lack of oxygen.

    But euthanasia is quite different from killing someone. Wanting to sleep off vs being forced to die, essentially.

    Capital punishment is rather archaic.