paul0817's channel

Before we go into the study of wave and its interference, its imperative that we understand the basic of a periodic motion, in particular the simpl...

For every 1,000,000 views that this video gets, I will donate another $600. I will take screenshots again and post on my site http://www.higatv.co...

A home-made video of Twist and shout. Hope you'll like it. I love The Beatles!