Here's an interesting essay I read a few weeks ago: https://medium.com/@SaviorServices/vibrations-frequencies-energy-and-their-effect-on-your-body-73d2175f9705
Oh, and if you find the I Ching interesting, https://graham-pemberton.medium.com/consulting-the-i-ching-the-taoist-oracle-49a7d3fe2d46