Self-configuring optical devices automatically learn how to sort out light

Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...
National Geographic news

LED light therapy for skin is trendy—but does it work?

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...
CNET

I Found Out Why Our LED Bulbs Burn Out So Early. No, You Don't Need a New Fixture

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
The Hollywood Reporter

The Best Hollywood Facialist-Approved LED Light Therapy Face Masks and Beauty Devices for Every Skin Concern

Star-favored, board-certified aesthetics physician Dr. Glenicia Nosworthy explains how to choose the right high-tech tool for every skin concern. By Natalie Alcala, Danielle Directo-Meston, Erin ...
The New York Times

The Best Red-Light Device

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a ...
The New York Times

The Best Light Therapy Lamp

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the ...
Harvard Business Review

Don’t Let Metrics Undermine Your Business

An obsession with the numbers can sink your strategy. by Michael Harris and Bill Tayler Tying performance metrics to strategy has become an accepted best practice over the past few decades. Strategy ...