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Bubbles

Having been reading up about Sparkling Wine for Unit 5 of my diploma, I've been thinking more and more about bubbles recently.

My current understanding (certainly with Sparkling Wine) is that the bubbles of CO2 in a bottle of Sparkling Wine are cause by the gas dissolving under pressure and then being released when the bottle is opened and the pressure released. So what causes drinks to fizz up when you shake them?

I've had some explanations for why this should happen, but I'm not happy I fully understand*.

Any bubble experts out there who would care to enlighten me?

* - that said it's not something essential for me to understand.

Comments

mair_aw
20th Feb, 2007 10:49 (UTC)
no idea, but if you drop a lump of sugar into a coffee, little bubbles will form as the sugar dissolves (presumably there are air gaps in the sugar lump that are opened up)

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