Infrared thermometers are devices that measure temperature from a distance by detecting the infrared radiation emitted by an object. They are commonly used in various fields, including medicine, cooking, and industrial applications, allowing for quick and non-contact temperature readings. These thermometers work by focusing infrared energy onto a sensor, which converts it into a temperature reading. They are particularly useful for measuring the temperature of surfaces, such as food, machinery, or even human skin, without the need for direct contact, making them safe and convenient for many applications.