Hooked On Science: singing rod
[gtxvideo vid="6IAs2lRT" playlist="" pid="OTSe9U1y" thumb="http://player.gtxcel.com/thumbs/6IAs2lRT.jpg" vtitle="hooked on science 100315”] EXPLANATION : Stroking the rod with a sticky finger and thumb, caused by the rosin, creates vibrations, which travel along the length of the rod. These vibrations are transmitted to the…