She was looking to the sky

  1. Everything generates an electromagnetic field. The natural earth creates one, and so does the human body. You create an EMF of about 10 hertz.
  2. A hertz is equal to one cycle per second
  3. Heinrich Rudolf Hertz proved the existence of electromagnetic waves
  4. Sine waves describe smooth periodic oscillating
  5. Humans perceive frequency of sound waves as pitch.
  6. A heartbeat is a non-sinusoudal periodic phenomenon