Introduction: Pendulum Wave - From Shop Scraps

About: Come spend some time in the shop. I'm a hobbyist woodworker and professional computer geek in Northern California. I guess my projects will vary widely, and I have no clue what I plan to make next...
So I saw this pendulum wave video on YouTube and thought, "I wonder if I could make that?" It's a scrap wood project and entirely for my own amusement.

I used a 1" dowel, a couple of cedar boards, and some network patch cable. I spent about an hour last night just setting off, over and over and over again. It is quite hypnotic...