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Alpha waves in the human brain are between 6 and 8 hertz. The wave frequency of the human cavity resonates between 6 and 8 hertz. All biological systems operate in the same frequency range. The human brain’s alpha waves function in this range and the electrical... Science http://topdocumentaryfilms.com/lost-lightning/ http://topdocumentaryfilms.com/lost-lightning/ 170517