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pdubl (25)in video • 8 years ago
RE: The Allasonic Effect, a.k.a. The Hot Chocolate Effect
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…
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pdubl (25)in video • 8 years ago
RE: The Allasonic Effect, a.k.a. The Hot Chocolate Effect
Try it at work tomorrow. You need a ceramic coffee mug and a metal spoon. Keep the taps at the same force/velocity and listen to the pitch rise. And rise. And rise! If you can't convince…
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