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

Long-haul flights are often the necessary first step to an incredible adventure, but let’s be honest: the journey itself is rarely glamorous. Whether you’re flying overnight or crossing multiple time ...

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 ...

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 ...