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'Dancing' raisins − a simple kitchen experiment
Want to bring extra life to a glass of champagne or soda water? Physicists will tell you to drop in a small object, such as a berry or raisin.
When you open a bottle of champagne or a soft drink, the fluid pressure drops and COâ‚‚ molecules begin to make their escape to the surrounding air. Studying these systems can help scientists learn more about how the cells and bacteria in the human body function, and how life on this planet has evolved to its current state. While raisins in soda water seem fairly simple when compared with microorganisms swimming through biological fluids, they offer an accessible way to study generic features in those more challenging settings.
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