Don_Dickle@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 months agoTIL that those oxygen masks that come down inside airplanes are connected to individual “chemical oxygen generators” rather than a supply of oxygen gasen.wikipedia.orgexternal-linkmessage-square0fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkTIL that those oxygen masks that come down inside airplanes are connected to individual “chemical oxygen generators” rather than a supply of oxygen gasen.wikipedia.orgDon_Dickle@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 months agomessage-square0fedilink