I'd love to see an enormous version of this harmonic motion demonstration. (http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.p

I'd love to see an enormous version of this harmonic motion demonstration. (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?keyw...)