Like infrared, ultraviolet is a form of electromagnetic radiation. Ultraviolet light is emitted naturally by the sun.
Do both UV and infrared radiation come from the Sun? How are they different? - Quora
Uses of Ultraviolet Rays - Learn Important Terms and Concepts
Ultraviolet radiation, Definition, Examples, Effects, Wavelengths, Types, & Facts
vyhodit Rozpor Namočit uv a fašismus satira Jídlo
vyhodit Rozpor Namočit uv a fašismus satira Jídlo
How Ultraviolet Light Works
Understanding UV-A Irradiance, and Requirements for Various Applications
Are there any people who can see infrared or ultraviolet? - Quora
UV-C air purifier - Guard Up - Infralia - tabletop / UV light
Auxiliary heating: what about infrared heaters? - Infralia