Light pollution reduction (LPR) filters work because many outdoor lighting sources do not shine evenly across the visible spectrum. Instead, they emit radiation at only a few distinct wavelengths. For ...

Can Hoya's budget-friendly Starscape filter reduce light pollution and take your night city shots and astro pictures to the next level?

Perhaps it’s a cliché, but I’ve made health the focus of this new year. I’m hitting the gym, tracking health with my Apple Watch, and experimenting with countering the effects of blue light exposure ...

We've been using PCs and smartphones for years, and their LED, LCD, TFT, or other displays that emit blue light are known for harming the eyes after a long period of usage. Recently, health companies ...