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.

This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in the series.

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, ...

"Red light uses specific wavelengths of light to penetrate the skin and reach your cells. Think of it as giving your cells a little extra boost, like a power-up for your body’s natural systems ...

All products featured on Architectural Digest are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. The first ...

Red light therapy uses light-emitting diodes (LEDs) to treat medical and cosmetic conditions. Some people use it to reduce wrinkles, scars, and acne. It can also be used for dental pain, hair loss, ...

Even if you were aware of them, light pollution made them difficult to see, unless you went to a dark area and let your eyes adjust. Our own galaxy is invisible to nearly 80% of people in North ...

Mike Lee receives funding from the Australian Research Council and the Hermon Slade Foundation Welcome to our ‘Light and health’ series, where we look at how light affects our physical and ...

Smart outdoor lighting is simple to install and set up, easy to customize, and available in a wide range of styles. You can add any one or several of these lights with little effort, and you’ll ...