Mesmerizing Pendulum Waves - YouTube [http://www.youtube.com/watch?v=u6dTB4AqBmk&feature=youtu.be] - 2012-04-20 09:56:33 - public:time motion, mtow, pendulum, periodic, video, visualization, wave, mathematics - 8 | id:2341 -
Periodic Table of Elements and Chemistry [http://www.chemicool.com/] - 2011-04-03 11:34:01 - public:time science, reference, periodic, infographics, elements, chemistry - 6 | id:2845 -
Dynamic Periodic Table [http://www.dayah.com/periodic/] - 2007-10-10 14:49:54 - public:time chemistry, education, elements, periodic, reference, science, table - 7 | id:4325 -
The Wooden Periodic Table [http://www.theodoregray.com/PeriodicTable/] - 2006-03-16 11:11:37 - public:time chemistry, education, periodic, physics, reference, science - 6 | id:5014 -
