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 V1 Classic The Schumann Amazon.com: 3 6 9: The Vibrational Code: Schumann Resonance, the Science of Vibration, and the 3 6 9 Protocol for Mental Wellbeing, Creativity & Daily Harmony eBook : Medj, Sarra: Kindle Store 93.96Hz Schumann Tuning Fork with Attenuator Sound Healing and Biofield Harmonization Vibration Therapy Tools Weighted Resonant Frequency, Schumann Resonance, Earth's Vibration" Sticker for Sale by strengthdesign Redbubble Schumann Resonances (the frequency of our brain and the Earth) spiking morning of December 24 2017 : r Retconned