Amazing Resonance Experiment! – YouTube

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Stop what you're doing and watch this. It's a video of sand. Sand skittering around on a vibrating plate, to be exact. But what happens when that sand skitters is amazing. Trust us – this is something you want to see.

What you're watching is the Chladni plate experiment, as performed by YouTube science-and-illusion wizard Brusspup (he can also coax water into a zig-zagging stream, and make Rubik's Cubes that aren't Rubik's Cubes).

Written By: io9
continue to source article at io9.com

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  1. Best execution of this yet.Clearly a good linear shaker and low distortion, high output drive to tease out the many adjacent resonant modes. Interesting to see the asymmetry in two states above 4kHz, obviously due to the modest plate geometry asymmetries.

  2. I too had seen this before, However as Mr Rimmer stated, the patterns may also be used to detect fine asymmetries in the plate or plate material/density/hardness. (OK, I admit I am an engineer).

  3. The Harmonies of Nature

    There is the Harward Pendulum Experiment there. And it is as simple as impressive.
    There are the “Four seasons” of Vivaldi there. And the music is as beautiful as simple.

    I’ve combined them on their common basis, their simplicity, and got … you specify the result. I’m simply in owe of it. Just fuckinglovescience :-)

    Here is how it goes practically:
    Simultaneously with the let-go moment of the pendulums, play the beginning of Vivaldi’s “Spring” and you’ll see what you hear. Or, if you like it better, vice-versa…

    Setting the experiment:
    For the Pendulums: http://www.youtube.com/watch?v=yVkdfJ9PkRQ In this particular video it is at 0:26.
    For Vivaldi’s “Spring”: Any record you have of it would do, one of which might be http://www.youtube.com/watch?v=l-dYNttdgl0

    Enjoy the Harmonies of Nature, which are innate in us, and not “given” to us!

  4. The Harmonies of Nature

    There is the Harward Pendulum Experiment there. It is as simple as impressive.
    There are the “Four seasons” of Vivaldi. And the music is as beautiful as simple.

    I’ve combined them on their common basis, their simplicity, and got … you specify the result. I’m simply in owe of it. Just fuckinglovescience 

    Here is how it goes practically:
    Simultaneously with the let-go moment of the pendulums, play the beginning of Vivaldi’s “Spring” and you’ll see what you hear. Or, if you like it better, vice-versa…

    Setting the experiment:
    For the Pendulums: http://www.youtube.com/watch?v=yVkdfJ9PkRQ In this particular video it is at 0:26.
    For Vivaldi’s “Spring”: Any record you have of it would do, one of which might be http://www.youtube.com/watch?v=l-dYNttdgl0

    Enjoy the Harmonies of Nature, which are innate in us, and not “given” to us!

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