Transcript for scene 31 of the video " Ice Age Wisdom Dunamics - part 1" by Rolf Witzsche - Ice Age Ahead not Global Warming  

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Piano tones by the length of its strings

In a piano, for example, the tones of its sound are determined in part by the length of its strings. Longer strings resonate at longer vibration-cycles than shorter strings. The piano tones are typically measured in hundreds of cycles per second.

 

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Published by Cygni Communications Ltd. North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F. Witzsche