Those who have seen the Giraffe from Toy's R Us advertisement, who sounds like a Donald duck when he breathes the Helium from the Balloon he is flying, this link provides the logical explanation behind that voice.
It turns out that, and even I didn't know , that speed of sound in Helium is 3 times that of the speed in air.
3 comments:
Hey totally off of the topic of this post - did you know that you were on TV a few months back? A friend of mine was telling me about it :).
Yes, ofcourse I know it ;). Sorry didn't tell you when I was there at your place, the topic never really came.
Mea Culpa !!
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