Shadow@lemmy.ca to Today I learned@lemmy.ml · 8 months ago

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

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

Shadow@lemmy.ca to Today I learned@lemmy.ml · 8 months ago

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…

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8 months ago
Yes, glass doesn’t corrode when exposed to moisture.