“After 30 seconds of sonication, they’ll be able to tell ... Researchers believe this ultrasound device will not only help treat chronic pain and depression but also PTSD and addiction.

“After 30 seconds of sonication, they’ll be able to tell ... Researchers believe this ultrasound device will not only help treat chronic pain and depression, but also PTSD and addiction.

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing – above 20,000 Hertz (Hz). Different ...

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). is sound with a frequency greater than 20,000 Hz. Humans cannot hear ultrasound but many other animals can, such ...