The primary source of ultraviolet light is the sun, and most of the UV light that reaches earth is in the lower-frequency UVA region (see below). Although ultraviolet (UV) light is widely known as ...

Higher frequencies, which are those above the visible spectrum, make up ultraviolet (beyond violet) light. Having the most energetic frequencies, UV light can wrinkle your skin, give you sunburn ...

[David Prutchi] has just shared his incredible work on making his own shortwave ultraviolet viewers for imaging entirely outside of the normal visible spectrum – in other words, seeing the truly ...

We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy ...

Today’s water challenges call for cooperation and the exchange of knowledge and expertise. The Dutch water sector invites you ...