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Today I learned @lemmy.ml Shadow @lemmy.ca

TIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.

hackaday.com Why Is There Liquid Nitrogen On The Street Corner?

Any NYC hackers may have noticed something a bit odd this summer while taking a walk… Giant tanks of the Liquid Nitrogen have been popping up around the city. There are hoses that go from the…

Why Is There Liquid Nitrogen On The Street Corner?
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