Measuring external qi (EQ or wai qi) during qigong healing, has shown shown Qi had these physical effects: 1) far-infrared, 2) heat, 3) micro-pressure detectors 4) microwave radiation, 5) significant increases in wavelength to above 10 mm, 6) significant magnetic signals, 7) sound frequency lower than 16 Hz from qigong healers at different acupuncture points. From Alternative Therapies, July/Aug 2004, VOL. 10, No.4; Analytic Review of External Qi Studies, page 38-41; An Analytic Review of Studies on Measuring Effects of External Qi in China by Kevin W Chen, Ph.D., M.P.H.,Univers ...   read more