Can you guess this note? Perfect Pitch and Physics

One of the things I love about science is it ability to transcend  different concepts. I work as an electrician and we have an issue in our career called Harmonics. It is a distortion of an electrical sin wave caused by higher frequency loads. This video just showed me a completely different way to explain it to my workers and I love that. Thank you for the awesome videos and I cant wait to see more.