Sand Vibration Patterns - Chladni Plate
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Uploaded by SMUPhysics on Jun 23, 2009
Sand on a rectangular metal plate shows the resonance patterns at specific frequencies of oscillation.
For more information on this and many other physics and astronomy demos, please visit us at: http://www.ap.smu.ca/demonstrations/index.php?option=com_content&view=art...
- 319 likes, 8 dislikes
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Uploader Comments (SMUPhysics)
Top Comments
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R.I.P. people with headphones.
2 months ago 14
All Comments (139)
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amazing!
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can you play some funk music? I'm sure it would dance to that
please and thanks
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If the plane was bigger, Would the sound waves have a sequential pattern? And i also noticed the waves mirrored on 2 Axis on some Hertz And other Hertz only on one, is that correct?
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I had headphones. I feel like my brain is going to pop.
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how come i always get stuck at this part of youtube?
3 weeks ago 2
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I HIT MUTE, AND I CAN STILL HERE IT.
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my ears hurt. did anyone else have that problem? I heard all the frequencies
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@joshbarber89 The shrooms are the reason u are having such profound thoughts lol
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Go Go SMU!! :D
cool video, good job :)
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Cool...now let's try crop circles!
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I have a question. All these videos put very high frequencies through the chladni plate; what would the patterns look like from very low frequencies?
BloodthirstyHobo 4 months ago
@BloodthirstyHobo At very low frequencies, the spacings between the nodes would get further and further apart, eventually beyond the size of the plate. You wouldn't really see anything. During the video, you may notice the patterns get more and more "featured', as the frequency is always ramping higher. Technically, it was also easier in our setup to get patterns at this freq range (app. 2-3kHz) as that was the "sweet spot" of my power amp!
SMUPhysics 4 months ago 9