UV light is an essential tool in thin-layer chromatography. Forensic scientists use UV systems to locate and identify materials or traces of chemicals (e.g., arson accelerants or tagging dyes). UV ...

Ultraviolet light, also known as UV light, is a form of energy traveling through space. It is a form of electromagnetic radiation with a wavelength shorter (100 - 400 nanometers) than that of visible ...

If you heat your home with natural gas, oil or propane, chances are your furnace or boiler has a pilot light. With the help ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

The most important feature of a light box is the light. Make sure that it filters harmful ultraviolet (UV) light. Don’t use light boxes meant for skin conditions, tanning beds, or sun lamps.

If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, so wear sunglasses and apply sunscreen on your face.

This morning will start with variable cloud, light scattered showers and a few sunny breaks. More sunny breaks will develop in the afternoon but some cloud will linger until the evening.

Moving from travel to... A furnace generates heated air that is then distributed to different parts of your home via ducts. Once the air circulates, it emerges out of vents and radiators to warm ...

Observed at 17:00, Friday 4 October BBC Weather in association with MeteoGroup, external All times are Pacific Daylight Time (America/Los_Angeles, GMT-7) unless otherwise stated.