this post was submitted on 14 Mar 2024
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Today I learned

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TIL some cities (like NYC) pump nitrogen into their phone lines to keep water out. (hackaday.com)
submitted 5 months ago by [email protected] to c/[email protected]
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[–] DumbAceDragon 2 points 5 months ago

I would always see those canisters around the city and wondered what they were. TIL.