The Food and Drug Administration will allow a new device to be marketed as a treatment for dry age-related macular degeneration.

While an unfortunate few still suffer under one of the awful colors offered by vapor discharge lamps, like the pink or orange of sodium or the greenish-white of mercury, most municipalities have ...

Dalhousie researchers and their industrial partners have piloted the world’s first municipal-scale UV LED reactor for wastewater treatment, a groundbreaking innovation that has set the stage for a ...

fluorescent light bulbs, and some electrical switches. When mercury is exposed to the air (such as when you drop a thermometer and it breaks), it can evaporate and become an invisible, odorless toxic ...

The best smart light switches let you control your lights with a phone or voice assistant and can save you money When you purchase through links on our site, we may earn an affiliate commission.

The right lighting can make a big difference in your home. The way light touches a room, with a warm glow or a sharp, white brightness, can transform its aesthetics. That’s where LED bulbs come ...

NASA, ESA, Leah Hustak (STScI), Ralf Crawford (STScI) Our solar system has a wide variety of planet types, from tiny rocky Mercury to huge ... composed of water vapor. The planet, called GJ ...

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 ...

Promise. Cosmopolitan Video Editor Sarah Ng uses this UV and LED lamp to do her acrylics at home. "It's lightweight and super easy to use whenever and wherever you need it." She loves that the ...