Consider a tuning fork. It delivers a true pitch by two tines vibrating together. Muffle either side, even a little, and the note disappears. Neither tine individually produces the sweet, pure note. Only when both tines vibrate is the correct pitch heard.
Friday, April 20, 2007
Check out the video I made of a VW as I was waiting at a red light in Glendale, AZ. When I saw it I got my Palm out and got this video clip.
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