今天看新闻
“Alabama executes a man with nitrogen gas”
https://apnews.com/article/nitrogen-exe ... afb7032900
wikipedia 上的 ‘nitrogen hypoxia’ 连接到下面的条目
https://en.wikipedia.org/wiki/Inert_gas_asphyxiation
其中提到
breathing an oxygen deficient atmosphere can have serious and immediate effects, including unconsciousness after only one or two breaths. The exposed person has no warning and cannot sense that the oxygen level is too low.
吸一两口不含氧气的气体就能昏迷？难以想象啊
不过看着好像不痛苦