Entity: INFRARED-RAY
INFRARED-RAY refers to electromagnetic radiation with wavelengths longer than those of visible light, but shorter than microwaves. It is invisible to the human eye but can be felt as warmth on the skin.
INFRARED-RAY
Etymology
The term 'INFRARED-RAY' originates from the Latin prefix 'infra-' meaning below, as it is light below red on the spectrum.
Definition
INFRARED-RAY refers to electromagnetic radiation with wavelengths longer than those of visible light, but shorter than microwaves. It is invisible to the human eye but can be felt as warmth on the skin.
Historical Context
The concept of INFRARED-RAY was first explored by William Herschel in the late 19th century using a prism to refract light.
Cultural Significance
INFRARED-RAY has various applications in fields such as astronomy, communication, and thermal imaging technology.
Related Concepts
INFRARED-RAY is closely related to other forms of electromagnetic radiation, such as ultraviolet and microwave radiation.
See Also
A type of electromagnetic radiation with wavelengths between about 700 nanometers and 1 millimeter, situated outside the visible spectrum at its red end.