I’ve been reviewing smart lighting for years. Here are tips on how to prep, what to choose, and the smart lights that work ...

At-home use of red light therapy masks requires a purposeful, consistent approach. These are the steps for the best results.

Activate your iPhone flashlight using Siri when your hands are busy. Turn on “Hey Siri” and lock-screen control in Settings ...

The Thunder Shot has two upgrades in Metroid Prime 4: the Charged Thunder Shot and the Super Thunder Shot. Both can be ...

Elden Ring’s Shadow of the Erdtree DLC is full of mysteries and secrets, and one of the biggest involves solving the mystery of how to unlock the true power of the Stone-Sheathed Sword. This page ...

This guide will show players how to summon lightning at Exit 115 on Ashes of the Damned in Black Ops 7 Zombies.

Researchers from McMaster University and the University of Pittsburgh have created the first functionally complete logic gate—a NAND gate (short for "NOT AND")—in a soft material using only beams of ...

Unlock the full potential of your smartphone flashlight with this easy DIY projector tutorial! Watch as we turn ordinary materials—just cardboard and a magnifying lens—into a powerful, focused light ...

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

New research shows that light’s magnetic field is far more influential than scientists once believed. The team found that this magnetic component significantly affects how light rotates as it passes ...

The Godox AD300ProII is an update to a five-star flash for on-site photography with more versatile adjustments and one-tap ...

This story originally published in the July 1906 issue of National Geographic magazine. See more digitized stories from our archives here. Looking back to that period, many years ago, when the finger ...