Fluorescent probes are molecules that absorb light of a specific wavelength and emit light of a different, typically longer, wavelength (a process known as fluorescence), and are used to study ...

The best ring lights are a must if you're looking to improve the quality of your videos, whether you're streaming on YouTube or hosting a work Zoom call. These simple, donut-shaped devices ...

For a light that weighs just 142g and pumps out 1,500 lumens, it packs a noticeable punch. At this weight it comes with the standard Velcro mount, but if your helmet has a GoPro mount built in, you ...

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 purchase through links on our site, we may earn an affiliate commission. Here’s how it works. And it's not just useful for photography. You can also use a lightboxes to trace artworks, ...

While dark mornings are inevitable in winter, turning the clocks back gives us an extra hour of natural light. At least 15 minutes' exposure to natural daylight, as early as possible in the day ...

You want a commuter light that's bright enough to ride in the dark: With an output of 700 lumens, the City Rover Power 700 has enough power to venture beyond the lit city streets. You want to ...

Light therapy lamps have been found to be an effective treatment for seasonal affective disorder (SAD). Seasonal affective disorder can bring on symptoms like depression, hopelessness, and fatigue, so ...

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 ...

When a treatment arrives with as much fanfare as red light therapy has, the skincare sceptics soon follow. “Does red light therapy actually work?” they wonder. Can red light therapy help with hair ...