Shadow@lemmy.ca to Today I learned@lemmy.ml · 6 months agoTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comexternal-linkmessage-square11fedilinkarrow-up1146
arrow-up1146external-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 · 6 months agomessage-square11fedilink
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