If love and fear are both frequencies/vibrations can they be played through a speaker?
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Our brain wave frequencies varies under 1 c/s and output is extremely low a few uV. Sound system only capable to play frequency not low than 20c/s and the input sensitivity is at least bigger than 10mV ( 10,000uV). Therefore, your answer is NO.
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love and fear are NOT frequencies/vibrations, where did you get that strange idea?