Science Questions

Sun, 6th Aug 2006

Part of the show Q&A and What Does Derek Look Like?


Steven in Pickton, Australia asked:

I want to know why a drink can doesn't get shaken up when it falls from a drink dispenser. It falls very hard but doesn't overflow when you open it straight away. Why do you think this happens?


The reason for this is that when it drops, it tends to fall on its side. When the liquid hits the bottom it swirls and doesn't create much turbulence. This stops there being too many bubbles in the liquid and it doesn't fizz over.


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