A Brief Remark on Polygraph
savagejacks A polygraph is a device that measures a subject’s physiological reactions to questions posed by the researcher and evaluates the data to determine whether the subject is speaking the truth…
A Brief History of Drums: The Origins of Percussion
Percussion instruments, including drums, have been an essential component of nearly every musical genre for centuries, spanning several countries. From the first gourd-made drums to the contemporary computerized drums, the…