Can What You Can’t Hear Hurt You?
Can What You Can’t Hear Hurt You? By Margaret Hutchison Ph.D Researchers have found that largely inaudible ultrasound signals from many electronics may be behind headaches and dizziness in some people. These ultrasound beams are emitted by sensors and other devices, including smart street lights, smartphone apps fire alarms and self-driving cars, to name a few. Headaches and dizziness are among the symptoms reported by some U.S. diplomatic personnel stationed in China and Cuba in … Continue reading “Can What You Can’t Hear Hurt You?”