Over on the New Scientist's Short Sharp Science blog there is a great little experiment to try. Mix up some hot chocolate and tap your spoon on the bottom of the mug. As you do this the pitch of the tapping sound will change. Why? They don't know yet either. Any guesses?
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This was answered 20 years ago by the great Cecil Adams.
Cool, thanks Gene. I wonder if you could build a musical instrument that worked on this principle of little air bubbles escaping from powders.
I was going to suggest that it was because air bubbles were escaping from the powder, but I guess I'm two decades too late. Darn it.
Ha, cool. I just tried it with some hot chocolate I got for Christmas. It totally works. Fun.
Blue Man Group use this swirling motion sound modulation within their act, and have been doing it for quite a few years...
i think that this thing is good but what is it for i mean it has only facts about choclate not sincen
Science is everywhere, in everything. Just about anything you could possibly be thinking about at any given moment has some kind of science angle. Even hot chocolate. :)
i love this ideaa
Sounds a lot like playing music on crystal wine glasses.
In the techno world, this type of thing would be called a phenomenon. But even if researchers don't yet know why the pitch changes, you can still drink the hot chocolate :)
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