[Spridgets] FW: for those of you who missed it on Facebook: Pendulum Waves

Jim Johnson bmwwxman at gmail.com
Sun Oct 9 23:24:07 MDT 2011


Thank you, Dave!  Fascinating.  The transition from orderly Newtonian
motions to what appears to be pure chaotic randomness and then back to
predictability is amazing. I need to study this some more!

Cheers!!
Jim

On Sun, Oct 9, 2011 at 1:40 PM, Woerpel <dwoerpel at wi.net> wrote:

> Can we relate this to resonant frequency on our LBC's??  (made up LBC
> content)  :-)
>
>
> Had to forward this.  For you physicists and engineers out there
> Enjoy!
> Dave W.
>
> Subject: *Pendulum Waves*
> <
> http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.page80863&pageContentId=icb.pagecontent341734&state=maximize&view=view.do&viewParam_name=indepth.html#a_icb_pagecontent341734
> >
>
>
> You may recall from a Mechanics course that the period of a pendulum is
> proportional to the square root of the length of the line suspending the
> weight - i.e., the longer the pendulum, the slower it swings.
>
> Harvard students built a device with a series of 15 pendulums in a row,
> each one slightly longer than its neighbor, then set them in motion and
> filmed the result.
>
> The resulting patterns in this short video are quite fascinating to watch.
>
> Read the article before starting to watch the video.
>
> If clicking on this short link doesn't work, the full version of the
> link if further down in this message.
>
> *Pendulum Waves*
> <
> http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.page80863&pageContentId=icb.pagecontent341734&state=maximize&view=view.do&viewParam_name=indepth.html#a_icb_pagecontent341734
> >
>
> This is a VERY long hyperlink and you may have to copy the whole thing
> off two lines and paste it into your browser if it doesn't work as a
> simple link on your incoming message.
>
>
> http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.page80863&pageContentId=icb.pagecontent341734&state=maximize&view=view.do&viewParam_name=indepth.html#a_icb_pagecontent341734
> <
> http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.page80863&pageContentId=icb.pagecontent341734&state=maximize&view=view.do&viewParam_name=indepth.html#a_icb_pagecontent341734
> >
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-- 
Cheers!!
Jim Johnson
Sprite-Midget Club USA <http://www.Sprite-MidgetClub.org>
High Plains Youth Hockey <http://www.highplainsyouthhockey.org>
Dodge City Trail of Fame <http://www.DodgeCityTrailofFame.org>
Electronic Journal of Severe Storms Meteorology <http://www.EJSSM.org>
Yup.  I stay plenty busy!!
bmwwxman at gmail.com


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