Metal detecting is the practice of using a device called a metal detector to locate metal objects buried underground or hidden in other materials. These devices work by emitting electromagnetic fields that can detect metal items, such as coins, jewelry, and artifacts. Metal detecting is often done as a hobby, but it can also be used in archaeological digs and treasure hunting. Many enthusiasts enjoy exploring parks, beaches, and historical sites with their metal detectors. The activity requires patience and skill, as users must carefully search and interpret the signals produced by their devices. Some metal detectors are designed for specific purposes, such as locating gold or relics, while others are more general-purpose.