What is this Madness!

Nitefly

Nitefly

Nitefly

Man of Honour
Joined
24 Sep 2005
Posts
37,370
Warning - things are about to get heavy.

I put a tasty bottle of cider in the fridge. I took it out. It looked like nice tasty cider. Very crisp and cold. I poured it out into a room temperature glass, opened up the internet, went to have a sip.... and to my amazement the cider had almost completely frozen in the glass! :eek:

There is probably a rational explanation for this and it has probably been well documented (as would be evidenced from a quick google). But I'm far too busy staring at my icy glass and dinking from it to come to any other conclusion than aliens.

Has anyone else seen this before? \o/
 
I've seen it happen when people initially open a drink. Something to do with it being near freezing point and once the gas is allowed to escape/expand it reduces the freezing point enough that it appears to magically freeze over.

Never known it to happen after opening and poured into a glass :confused: so yeah aliens.
 
Nitefly said:
I'm far too busy staring at my icy glass and dinking from it to come to any other conclusion than aliens.
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I'm always slightly wary of drinking partially frozen alcoholic drinks. In my mind it seems logical that the alcohol will thaw before the water and you could end up drinking something very strong!
 
kaiowas said:
I'm always slightly wary of drinking partially frozen alcoholic drinks. In my mind it seems logical that the alcohol will thaw before the water and you could end up drinking something very strong!
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Yeah applejacks is made that way apparently. However the liquid is still a mixture of water/alcohol. Takes a fair few cycles at lower temps to cause anything too strong.
 
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MonsterMoshi said:
With purified water yes

This would not happen with cider
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Pretty sure it was any kind of water. Tap water, bottled water, whatever.

And in fairness, OP has just observed the exact same effect with his cider, despite your protestations that I can't happen to cider :p
 
Normal water would have too many impurities for ice crystals to form on. Afaik it has to be distilled for the effect shown in that video.
 
It's pretty straightforward. In the same way that a pressure cooker raises the boiling point of water, the increased pressure inside the bottle of a carbonated drink lowers its freezing point. When you open the bottle you release the pressure, so the liquid freezes at its normal freezing point.
 
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