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Y neared Figure 2 aaa. ” Experiential Correlations to a Brain-wave Activity : : Faster > : " BETA 13-20 Hz: a a Cutward awareness. Processing sensory data a = ALPHA 8-13 Hz: rT ~ Relaxed yet alert, Body/mind integration a u THETA 4-8 Hz: a : Introspection. Meditation & spontaneous imagery : a DELTA 5-4 Hz: a : Deep sleep, trance, super-conscious : > Slower J SRS SBR MRE RRERRRHR ORME dreaming experiments. His technique, termed “hemi-sync”’, is based on a sequential introduction of psycho-active beat frequencies to keep self-cognisant areas of the brain active during transition to sleep. Through enhanced awareness, the subject sustains waking volition over his mental content, while simultaneously immersed in it as a tangible reality..... a technological dream yoga. A professional version sells for $500, you can make the preliminary circuit shown here work for under $15. Once designed, it took only 15 minutes to construct. A note for the beginner: Not knowing a little about electronics today, is like a caveman not knowing about fire. Can’t solder? Ride your dinosaur over to an electronic hobby store and get a solderless project board, set of clip leads, and the remaining bits specific to this particular gadget. Take the diagram (Figure 1.) and ask questions if necessary. Technical interlude: This pre-tested circuit is intended to demonstrate the above effect using the easiest approach. The LM 555’s must be run from two batteries, and at 50% duty cycle exactly as shown. For optimal tuning range, the 1.5k resistor may need to be rimmed with a series resistance. To produce a clearer beat, detune the inherently more stale sine outputs of two XR22061C’s. These may even be adjusted ABOVE or BELOW the threshold of human hearing, so that the originating tones remain unheard... spooky implications. When you remove the headphones after a few minutes at most settings, something remarkable will occur in reference to the sounds around you... but I won’t give that away... Science has its own rewards. Remember, this 1S research. Proceed with moderation, and at your own risk. | Seed nym a 1 technological dream yoga. A professional version sells for $500, you can make the preliminary circuit shown here work for under $15. Once designed, it took only 15 minutes to construct. A note for the beginner: Not knowing a little about electronics today, is like a caveman not knowing about fire. Can’t solder? Ride your dinosaur over to an electronic hobby store and get a solderless project board, set of clip leads, and the remaining bits specific to this particular gadget. Take the diagram (Figure 1.) and ask questions if necessary. Technical interlude: This pre-tested circuit is intended to demonstrate the above effect using the easiest approach. The LM 555’s must be run from two batteries, and at 50% duty cycle exactly as shown. For optimal tuning range, the 1.5k resistor may need to be rimmed with a series resistance. To produce a clearer beat, detune the inherently more stale sine outputs of two XR2206 IC's. These may even be adjusted ABOVE or BELOW the threshold of human hearing, so that the originating tones remain unheard... spooky implications. When you remove the headphones after a few minutes at most settings, something remarkable will occur in reference to the sounds around you... but I won’t give that away... Science has its own rewards. Remember, this 1S research. Proceed with moderation, and at your own risk. iN} elena — take teat 35 Nexus *10 EE Deep sleep, trance, super-conscious