It’s real ….
As for the use of sound, a device transmitting a beam of sound waves, which can be heard only by persons at whom the beam of sound waves is targeted, has been reported in several news media. In this case, the beam is formed by a combination of sound and ultrasound waves which causes the targeted person to hear the sound inside his head. Such a procedure could affect the mental balance of the targeted individual as well as convince him that he is, so to speak, mentally ill. This article examines the development of technologies and knowledge pertaining to the functioning of the human brain and the way new methods of manipulation of the human mind are being developed.