Hello Key, Such equipment exists, but it's expensive; luckily, you can see the results for free on this web site: http://real.uwaterloo.ca/~sbirkett/high%20speed%20imaging.htm If you attend the PTG conference, you can also see exciting footage in Don Mannino's class. You will also find some good reading here: http://www.speech.kth.se/music/5_lectures/ Vladan ========================== Greetings, This may be a lofty question but here goes: Is there any manufacturer that makes equipmnet so that a person can actually see a piano string vibrate in order to observe nodes and antinodes? What does one need to view this; a microscope (perhaps that is laughable)? Would it be some sort of specialized equipment that say a college/university/research institute would purchase from a manufacturer that specializes this type of physics lab equipment? I am reading Hemoltz's On the Sensation of Tone and other books; On Pitch by Rick Baldassin, and Measured Tones by Ian Johnston. I would like to know more about inharmonicity. Thanks in advance. Key __________________________________ Start your day with Yahoo! - Make it your home page! http://www.yahoo.com/r/hs
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