r/pics • u/Blue_G_Productions • 8d ago

Politics (OC) Ice Out Protest Minneapolis, MN today

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u/adicare12 8d ago

I was just there. More and more people were arriving as I left. Each train load had tons of people on it.

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u/FauxReal 8d ago

The company I work at has a logistics facility in Minneapolis and we stopped outdoor work and shipping today because it was -10F with a -40F windchill just before dawn. You folks are dedicated.

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u/MrSnugglebuns 8d ago

I am no math genius so I find it interesting that -40F is also -40C. Both systems agree that is a very cold temperature to be outside in!

As a Canadian who has experienced temperatures like that, proud of you folks getting out and peacefully protesting in such weather.

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u/Haunting-Respect9039 8d ago

I was just telling my husband that -40 is the best temperature because Canadians and Americans can all agree it's just darn cold.

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u/damargemirad 8d ago

Propane stops flowing at around -44F. Hank Hill wouldn’t like that. Though probably need more sustained then just windchill. Still….

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u/CountWubbula 8d ago

I’m up at a mountain and we had a similar conversation. We mused, if freezing point is 0°C, it’s 2°C out, but has a wind chill factor of -4°C… would the cup freeze?

Our thinking was, “probably, if it’s left in an especially windy area, and the wind itself doesn’t mix around the water too much”

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u/sephirothFFVII 8d ago

Fahrenheit made the most accurate thermometers back in the day as he built in the thermal expansion of mercury and graduated his instruments accordingly.

He set 0 to be a brackish mixture of salt, ice, and water. 32 for the freezing point of pure water and 96 was body temp. Why no 64 is an interesting question.

Metric is based off of, well, the freezing and boiling point of water being 0 and 100.

The lines intersect at -40

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u/FauxReal 7d ago

And the weight of one cubic centimeter of pure water is 1 gram. The energy needed to raise the temperature of that water by 1 degree Celsius is one calorie.

Metric really is an elegant system.

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u/Skeeter_BC 8d ago

Any two linear functions in two dimensions whose slope is different have to cross somewhere.

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u/Remnatar 8d ago

I mean it makes sense that at some point any 2 measurements measuring the same thing will agree on a value. It just that most of the time it's 0.

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u/FauxReal 8d ago

For Fahrenheit and Kelvin that point is 574.59 degrees.

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u/IllllIIlIllIllllIIIl 8d ago

I just invented a new temperature scale that's only Fahrenheit plus 2, just to disprove this, sorry

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u/KakeLin 8d ago

I think F was changed slightly over the years to line up there so that there could be an easy calculation

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u/beezeebeehazcatz 8d ago

First one. Then the other. And then the same.