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Offlinecybrbeast
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Cool clip: Resonance Square
    #5581684 - 05/02/06 02:51 PM (17 years, 8 months ago)

Quote:

A cool physics demonstration: when a two dimensional object is vibrated, patterns of waves can be seen. The sand on the plate collects in the nodes, or areas of no motion, of the waves. WARNING - DO NOT PLAY LOUD!




http://www.spikedhumor.com/articles/26352/Resonance_Square.html


pretty cool, and heed the warning, the sound really gets loud. Also your dog or cat may freak out.


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InvisiblePenguarky Tunguin
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Re: Cool clip: Resonance Square [Re: cybrbeast]
    #5581694 - 05/02/06 02:55 PM (17 years, 8 months ago)

Awesome! :thumbup:


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InvisibleStonerguy
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Re: Cool clip: Resonance Square [Re: cybrbeast]
    #5581758 - 05/02/06 03:12 PM (17 years, 8 months ago)

That was awsome!


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OfflineTriad
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Re: Cool clip: Resonance Square [Re: Stonerguy]
    #5581769 - 05/02/06 03:15 PM (17 years, 8 months ago)

Quote:

Stonerguy said:
That was awsome!




:eek:


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Offlinecybrbeast
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Re: Cool clip: Resonance Square [Re: Triad]
    #5581788 - 05/02/06 03:19 PM (17 years, 8 months ago)

Quote:

Triad said:
Quote:

Stonerguy said:
That was awsome!




:eek:



That was my reaction too, except that sound gets really freaky


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OfflinePurpleKush
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Re: Cool clip: Resonance Square [Re: cybrbeast]
    #5581858 - 05/02/06 03:35 PM (17 years, 8 months ago)

cool vid, i wonder how fast that plate is vibrating?


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Offlinecybrbeast
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Re: Cool clip: Resonance Square [Re: PurpleKush]
    #5581891 - 05/02/06 03:46 PM (17 years, 8 months ago)

Quote:

PurpleKush said:
cool vid, i wonder how fast that plate is vibrating?




At the end it must be a bit more than 20.000Hz, as you can't hear it anymore. Humans can't hear above 20.000Hz, gets worse with age.


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OfflinePurpleKush
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Re: Cool clip: Resonance Square [Re: cybrbeast]
    #5581911 - 05/02/06 03:53 PM (17 years, 8 months ago)

:thumbup: thanks.  you learn somethin new every day.


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OfflineKonnrade
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Re: Cool clip: Resonance Square [Re: cybrbeast]
    #5581921 - 05/02/06 03:58 PM (17 years, 8 months ago)

We had one of those in a physics class lecture.

They really are an excellent demonstration of wave interference.

It's always amazing to watch the cool geometry


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