An invisible band of radiation with wavelengths from 400 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

Here's how these UV light sanitizers actually work. UV light is highly effective at killing germs The three main types of UV rays are UVA, UVB, and UVC. Because UVC rays have the shortest ...

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 ...

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 ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

It’s much more durable than standard air-dry polishes, but it requires UV light to cure. [Becky] bought a lamp to use at home, but it’s very bulky and must be plugged into the wall.

Scientists studying one of the earliest known galaxies using the James Webb Space Telescope have found that the universe's ...

LOUISE: Ah, well sun cream doesn't actually stop light, it actively stops UVlight. FRANKIE: But doesn't UV light help the body get vitamin D? LOUISE: Yes, but too much can be harmful so.