ShadowA to Today I learned@lemmy.ml · 11 months agoTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comexternal-linkmessage-square11fedilinkarrow-up1150arrow-down12
arrow-up1148arrow-down1external-linkTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comShadowA to Today I learned@lemmy.ml · 11 months agomessage-square11fedilink
minus-squareDumbAceDragon@sh.itjust.workslinkfedilinkEnglisharrow-up2·11 months agoI would always see those canisters around the city and wondered what they were. TIL.
I would always see those canisters around the city and wondered what they were. TIL.