This compact device "subliminally teaches control of meditational states by propagating an electronic signal through the brain," according to former NASA aerospace engineer and inventor Michael Hercules. "I became interested in the research revealing the many benefits of meditation, and decided to construct a mechanical aid to help meditators overcome difficulties in reaching deep meditative states." Extrapolating from his own research, Hercules recommended certain frequencies for learning specific mental states (such as healing, focused inner awareness, creative thinking, accelerated learning, etc.).
Hercules sees such machines as "teaching devices" whose "main purpose is to directly instruct the user how to duplicate the desired frequency at will."
The Nustar II contains a dial for signal intensity (well within the legal limits), a knob that controls frequency selections from 0.5 Hz to 12.5 Hz, and a headband with four electrodes. It is used by people in all walks of life: students who wish to improve concentration, musicians and artists seeking enhanced creativity, business people who wish to reduce stress, students of meditation who want to achieve advanced states of consciousness, therapists, athletes wanting to enhance healing and mental strength, parents who need more energy and stamina.
The Nustar is small (3" x 5" x 1.75"; 1.5 lbs.). It outputs a pulsed 90% duty-cycle square wave from 5 50 microamperes at 18v. Comes with 4-electrode elastic headband with velcro closure, padded travel case with shoulder strap, 2-ounce tube of conductive gel, 9v battery, instruction manual, 1-year warranty.
Nustar II $399.00
Nustar Custom Custom-made with settings for 6 to 12 customer-specified frequencies between 0.5-40 Hz. $495.00