Has anyone heard of the Schumann resonance? It's the heart beat of the world, it's vibration. There's a spiritual aspect related to this graph and theory. I follow it closely, wondering if Schumann Resonances (the frequency of our brain and the Earth) spiking morning of December 24 2017 : r Retconned Schumann Resonance Pure Tone Earth's Natural Frequency 7.83Hz Relaxation, Anxiety Blocker, Sleep Amazon.com: Frequency Generator for Healing Adjustable Schumann Resonance Generator 7.83Hz Natural Frequency Device for Deep Sleep, Meditation, Yoga USB Type C Powered 0.01Hz200KHz Sound Therapy Tool : Health & Household