Amazon.com: 93.96Hz Schumann Weighted Tuning Fork with World Grid Engram Carry Bag and Striker Sound Healing Instruments and Biofield Harmonization Chakra Alignment Vibration Therapy Tools Engram Silver : Musical Instruments Resonant Frequency, Schumann Resonance, Earth's Vibration" Art Board Print for Sale by strengthdesign Redbubble 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 The Schumann Resonance is earth's natural electromagnetic heartbeat, created by lightning in the space between the surface and the ionosphere. Its main frequency, the 1st order, is 7.83 Hz, followed by the