Silver spoon in the champagne bottle - why?
You know the story that a broken bottle of sparkling wine should stay fresh longer if you put a silver spoon in the top of the bottle.
This is said again and again, but nobody knows why. The reason is the following:
Decisive how fast the carbon dioxide disappears is the temperature of the liquid. The warmer the faster. If you put the champagne back in the fridge, it should be cold as soon as possible. Since silver conducts heat well, the spoon, if it reaches into the liquid, can direct the cold faster from the air into the sparkling wine. But that does not bring much, it is better not to let it get too warm ...
