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  • Gaurav Khemka

Colour Theory of Fizz

Have you ever poured yourself a cold soda on a hot day, only to be disappointed by its lack of fizz? It's not just the heat that's to blame! Believe it or not, the colour of light can actually affect how quickly your drink loses its bubbles. Let's unravel this surprising science with a simple example.


Imagine your favourite soda is full of tiny balloons (the CO2 gas). These balloons want to float up and escape the liquid (just like bubbles rising in your drink). Now, imagine shining a flashlight on the balloons. A bright, blue flashlight represents high-energy light, like sunlight or some harsh light bulbs. This high-energy light gives the balloons a little extra push, making them escape faster. This is what happens to your soda when exposed to blue light – the CO2 bubbles get an extra boost and escape the liquid quicker, making your drink go flat faster.


On the other hand, imagine using a red flashlight on the balloons. Red light has lower energy, so it doesn't give the balloons as much of a push. This is similar to what happens when you store your soda in a cool, dark place. With less light pushing the CO2 bubbles out, they stay in the liquid for longer, keeping your drink fizzy for a refreshing experience.Here's the key takeaway: the colour of light affects how much energy the CO2 molecules receive. High-energy blue light gives them a big push, making them escape faster. Lower-energy red light has a weaker effect, allowing the CO2 to stay put and keep your drink bubbly for longer.


So, next time you're enjoying a picnic or grabbing a soda at the store, keep this little science trick in mind. By storing your drinks away from direct sunlight or harsh light bulbs, you can slow down the fizz-fading process and ensure a longer-lasting, refreshing beverage!


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