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.
Saturday, April 29, 2006
Speaking of big trees, here is one we drove through. We took a picture through our sunroof while we were stopped to see up the tree.
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