Amazing Resonance Experiment!
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Channel: brusspup
Views: 17,097,831
Rating: 4.923399 out of 5
Keywords: chladni, plate, experiment, science, amazing, vibrate, vibration, vibrating, salt, sand, brusspup, brussup, bruspup, brasspup, awesome, incredible, dark wave, sound, universe, nikola, tesla, mystery, answer, solved, resonance, resonating, resonated, cool
Id: wvJAgrUBF4w
Channel Id: undefined
Length: 3min 38sec (218 seconds)
Published: Thu Jun 06 2013
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This definitely isn't self-assembly, that implies something way deeper. Objects (like a drum head) kinda like to vibrate at stable modes, and these modes (different frequencies that exhibit non-harmonic resonance) exhibit nodes where the surface isn't moving. These nodes are where you see the salt gather. That's pretty sweet and all for the surface, but the salt is really just being knocked around until it happens to randomly fall onto a nodal area and then it doesn't get knocked around anymore.
Video with original sound.
If I remember correctly, the salt gathers on parts of the plate that are not vibrating/vibrating the least, allowing us to visualise the waveform in a kind of 'negative space' way. Very cool.
My high school physics teacher did a similar demonstration where he attached a laser to a tone generator pointed at the blackboard.
IT WAS A LOT LIKE THIS
Around 1:20 is when it starts to get really cool
It's called a Chladni plate.
This revolutionized the way I snort my coke.
http://en.wikipedia.org/wiki/Cymatics
Could increasing frequency be like zooming out on a fractal pattern? The shapes seemed to grow more complex, but retain themes from the earlier patterns.
Here's the same concept applied to fire! It's called a Ruben's Table
Full Video (or just the Interesting Part)
This one is cool also.
The idea works with tubes as well!
are there any particle simulation softwares that would allow one to view this in 3D?