This book is a complete scientific research with valid & valuable sources. After reading this book, you will understand clearly the different effects of sound waves on the human body, brain, mind but also learn about one of the most powerful & dangerous weapons ever created by mankind...
This book is a complete scientific research with valid & valuable sources. After reading this book, you will understand clearly the different effects of sound waves on the human body, brain, mind but also learn about one of the most powerful & dangerous weapons ever created by mankind...