We tested LED flashlights by measuring their lumens, beam drop-off, and beam pattern—plus their battery life and durability.

An curved arrow pointing right. The world's largest LED screen has transformed the Las Vegas skyline. Sphere, a dome-shaped entertainment venue, will host immersive visual shows. More from ...

Residents of Bandra Reclamation and activists are protesting against MSRDC's plan to erect a 50-foot LED sphere on the Sea ...