Entity: INFRARED-RAYS
Infrared rays are electromagnetic radiation with wavelengths longer than those of visible light but shorter than radio waves. They are invisible to the human eye but can be felt as warmth on the skin.
INFRARED-RAYS
Etymology
The term 'infrared' comes from the Latin prefix 'infra-' meaning below, as it refers to light below the red end of the spectrum.
Definition
Infrared rays are a form of electromagnetic radiation with wavelengths longer than those of visible light but shorter than radio waves, typically ranging from 800 nanometers to 1 millimeter.
Historical Context
The concept of infrared radiation dates back to the late 19th century when it was first discovered and studied by scientists like William Herschel.
Cultural Significance
Infrared technology is widely used in various fields such as astronomy, communication, and thermal imaging.
Related Concepts
Infrared radiation is closely related to other forms of electromagnetic radiation such as visible light and radio waves.
See Also
A form of electromagnetic radiation with wavelengths longer than those of visible light but shorter than radio waves, typically ranging from 800 nanometers to 1 millimeter.