Shadow@lemmy.ca to Today I learned@lemmy.ml · 9 months agoTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comexternal-linkmessage-square11fedilinkarrow-up1146arrow-down12
arrow-up1144arrow-down1external-linkTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comShadow@lemmy.ca to Today I learned@lemmy.ml · 9 months agomessage-square11fedilink
Hashtag N two.