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RE: The Allasonic Effect, a.k.a. The Hot Chocolate Effect

in #video • 8 years ago

Amazing to see that somebody else wondered what is causing that!
I asked around some nerds and noone ever had a convincing explanation.
I think its kind of a Doppler effect, but what causes It? Temperature, bubble size?

8 years ago in #video by
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     8 years ago 

    From the wiki page:

    Upon initial stirring, entrained gas bubbles reduce the speed of sound in the liquid, lowering the frequency. As the bubbles clear, sound travels faster in the liquid and the frequency increases.

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