Various substances, ranging from butterfly wings to minerals such as fluorspar (calcium fluoride), glowed when exposed to black light. Such substances were said to be “fluorescent,” a term ...

Light is light, right? Not exactly. The light that comes from the overhead fluorescents at your office is probably nothing ...

Brightin Star is reportedly about to launch a new, ultra-fast standard prime with glow-in-the-dark lens markings ...

like from a black light. The paint casts these light waves in a way that makes them appear to be glowing and luminescent. The glowing appearance of fluorescent paint is exactly what makes it such ...

UV lamps often use fluorescent sources, short-wave ... on a PCB or other electronic device is usually rather small with a focused emission, whereas a black light used for a stage show illuminates a ...

Röntgen was studying cathode rays, the phosphorescent stream of electrons used today in everything from televisions to fluorescent light bulbs. One earlier scientist had found that cathode rays ...

Their replacement equivalents, compact fluorescent lightbulbs and ... A shiny metal reflector casts the most light but increases glare. A black interior reduces glare but absorbs light, so you ...

From spines on neurons to pollen on an insect’s eye, the winners of Nikon’s Small World photo contest offer a kaleidoscopic glimpse into a tiny world.

Bright light therapy, a standard treatment for seasonal depression, may also help people who experience depression year-round ...

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Acronyms like QLED, OLED, and QD-OLED can make buying a new TV confusing. Here's your guide to major TV tech, to help you get ...