A "numb ray" is a fictional concept often found in science fiction and fantasy genres. It typically refers to a type of energy beam or weapon that can temporarily incapacitate or numb a target, rendering them unable to move or feel sensations. This device is commonly used by characters in various media to subdue opponents without causing permanent harm. In many stories, numb rays are depicted as advanced technology, sometimes associated with futuristic gadgets or alien technology. They can be used for various purposes, such as law enforcement, military operations, or even in medical applications to alleviate pain.