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Started By
Message
Cool cold water phenomenon
Posted on 2/21/25 at 7:05 pm
Posted on 2/21/25 at 7:05 pm
Yesterday day it was 17° when I went out. I had a case of bottled water in the back of my truck and when I got to work I noticed that none of the bottles were frozen at all. Picked one up and gave it a shake and it froze solid from top to bottom pretty quickly.
quote:
When bottled water doesn't freeze until shaken, it's because the water is in a state called "supercooled," meaning it's below its freezing point but hasn't solidified yet due to the lack of a nucleation site to initiate the crystallization process; shaking the bottle provides the necessary disturbance to trigger the formation of ice crystals, causing the water to rapidly freeze
This post was edited on 2/21/25 at 7:07 pm
7
Posted on 2/21/25 at 7:27 pm to highcotton2
quote:
nucleation site
Looked this up and…my mind hurts now.
Posted on 2/21/25 at 7:34 pm to GerasimosNina
quote:Hard for me to wrap my mind around water at 20° and not freezing.
Looked this up and…my mind hurts now.
Posted on 2/21/25 at 7:40 pm to highcotton2
Lots of fun to be had in terrible arse cold.
OP's experience can be repeated with freezer.
Also fun, throwing a cup of boiling water in the air.
OP's experience can be repeated with freezer.
Also fun, throwing a cup of boiling water in the air.
Posted on 2/21/25 at 7:42 pm to highcotton2
Works the other way when super heated.
Search for: microwave explosion and pyrex (read before doing)
The pyrex is so smooth there's no micro-scratch to start the boil.
Search for: microwave explosion and pyrex (read before doing)
The pyrex is so smooth there's no micro-scratch to start the boil.
Posted on 2/21/25 at 7:44 pm to highcotton2
A Dr Pepper in your backpack in 17 degrees does the same thing only it’s starts spewing out like some 20oz redneck volcano spewing out slush iced cola!!
Posted on 2/22/25 at 7:14 am to highcotton2
quote:I've seen and done this more than once but had no idea why or what the science was behind it.
When bottled water doesn't freeze until shaken, it's because the water is in a state called "supercooled," meaning it's below its freezing point but hasn't solidified yet due to the lack of a nucleation site to initiate the crystallization process; shaking the bottle provides the necessary disturbance to trigger the formation of ice crystals, causing the water to rapidly freeze
I just said "oh, that's really fricking cool" and forgot about it
Posted on 2/22/25 at 7:40 am to highcotton2
It’ll get you if you throw a beer in the freezer trying to get it cold quick, and leave it too long. When you grab it everything looks good to go, and as soon as you twist the top off the bastard freezes up on you.
Posted on 2/24/25 at 7:58 am to highcotton2
This can also happen when you boil water, specifically in the microwave. It can actually cause the water to rapidly boil when disturbed, potentially burning the crap out of you.
If you're going to boil water in the microwave, best to put a wooden spoon or toothpick or something in the water to give it nucleation points.
If you're going to boil water in the microwave, best to put a wooden spoon or toothpick or something in the water to give it nucleation points.
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