Because it is under pressure.
sabrage
Yes, they are required to be by law. Look on the top, side of the bottle.
slice off the top of the cork and use a corkscrew to pull out the remainder, however if the cork is crumbling, push the remainder into the bottle and use a strainer to catch the bits. Not elegant but who knows when it is in the glass
You wouldn't lose any bubbles as long as the top stays on as the CO2 will remain inside the bottle
Put the bottle under hot water and wait until the glass gets warm, then you carefully pop off the top.
When you drink it, there is no fizz. You can also shake an unopened bottle and look at the bubbles. If bubbles move from the bottom of the bottle to the top, the pop is not flat.
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you could make a minnow catcher by getting like a 2L pop bottle or a 1L pop bottle. Make sure it is empty. at the top of the pop bottle there is a funnel like shape. You cut that off first. When your done that you put the the tip of the funnel piece into the bigger piece of the pop bottle then you tape it. Then you need a string or something to hold it whiles its in the watter. Then your done. Put some bait in there to get the minnows to go into it. They are dumb cause they cant find the way out of it.
too dense to float
Like most wines, opened champagne will go flat and lose its wine characteristics as soon as 24 hours. Even recorking or removing the oxygen from the top of the bottle will only preserve the champagne for an extra 1-2 days. It is best to drink your bubbly at one sitting, or expect to use it in some cocktail mixers.
you have to go to the ballroom and find a glass bottle fill it up and the top will pop of and the water will rise up.use the gold thing to get the lady on it.thats all
Flute