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Bubbly is no secret to science. When you pop a Champagne cork, yeasts ferment sugars and form carbon dioxide gas. But only recently has a solution to spirit's mysterious gas "trains"�the tiny beads of rising air that gives champagne its sparkle�bubbled to the surface. Scientists at the University of Reims, France have discovered that tiny gas pockets and fibers stuck on the inside of a glass�from dust or a towel used for drying�influence the timing of the bubble trains. "Fibers entrap a tiny air pocket when Champagne is poured," said physicist Gerard Liger-Belair. "Then, this tiny air pocket literally sucks the [dissolved] carbon dioxide." The gas bubbles grow inside the fibers, detaching from them once they reach the tip of a fiber. Filming bubbles in a lab setting with high-speed cameras, Liger-Belair observed that as the concentration of carbon dioxide decreases in the Champagne, the distance between bubbles can suddenly change. That's why your celebratory beverage bubbles at different rates as you sip. "This tiny bubbling system is the smallest bubbling system presenting such instabilities ever observed," Liger-Belair told LiveScience. "And what a beguiling place to discover it!" The findings are published in the Oct. 4 issue of the journal Agriculture and Food Chemistry. The discovery suggests an experiment you can try at home. To add more fizz to a Flute, wipe a glass with zeal to leave behind extra fibers. Or if you prefer a calmer toast, air-dry glasses upside down. ********************************* The bubbles in champagne are caused by a secondary fermentation which takes place in the bottle. Champagne actually starts out as a still wine, after the 1st fermentation is completed, it is put into the bottle, then a "dosage" ( a little bit of sweet wine) is added which creates the 2nd fermentation. The CO2 is under pressure, held in place by the cork. It is released when you pop the cork .... bubbles. All this assumes that it is produced using "Methode Champagnoise" (sp?) and not in a large industrial tank.

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