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 ...

Lux meters, sometimes called light meters, measure the intensity of illumination as distinguished by the human eye. This value does not correlate to an objective value of energy radiated or reflected, ...

Is the Hisense 110 UX the brightest TV ever made? And do older TVs like CRT and Plasma TVs actually have better color than ...

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 ...

Light meters are a godsend for photographers, as they tell them how much light is either falling onto the subject of the shot ...

President Donald Trump has questioned whether injecting people with disinfectants and exposing patients' bodies to UV light could help treat the coronavirus. The Reality Check team has been ...

The Larq and CrazyCap use UV-C light to zap all of the major waterborne pathogens; they're all stainless steel water bottle options (no cheap plastic water bottles here), and all these best self ...

Get yourself a handheld UV LED nail lamp like this one. This pen-like light has a 40-minute battery life, so it should work for quick fixes and even full manicures (though you might not want to ...

Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

When you use links on our website, we may earn a fee. Colder temperatures and shorter days during winter can bring about mood shifts like the “winter blues,” as well as seasonal affective ...

The Dividend History page provides a single page to review all of the aggregated Dividend payment information. Visit our Dividend Calendar: Please note that the dividend history for Nasdaq stocks ...

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.