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I designed and marketed the first GSR biofeedback instrument in 1962. A few years later it was patented and licensed by Radio Shack. In 1968 I designed and marketed the first commercial EEG biofeedback instrument. I discovered in three projects beginning in 1979, that global meditations are associated with reductions of sunspot numbers. We humans maybe in a giant biofeedback loop with the Sun as stated by Edgar Cayce in the 1930's. A book is available with my data, verifiable by anyone on my website.