Tetris remains wildly popular—and now researchers suspect it may also have a healing effect on our traumatic memories. A U.S. marine relaxes by playing a game of Tetris while he has a military metal ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

On paper, LED bulbs are made to last for at least several years thanks to their low energy needs. I wanted to know why that doesn't always work out, so I talked to installers and LED manufacturers to ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Every item on this page was chosen by an ELLE editor. We may earn commission on some of the items you choose to buy. Her signature heavy-blush application, spotted on stars like Cassie, Naomi Campbell ...

A series where we find out which products the professionals (who really know what they’re talking about) actually use and really stand behind. Read more here. Maybe you’ve seen an influencer gliding ...

While smartphones technically give us a flashlight in our pockets wherever we go, they work largely for finding your keys under a movie theater seat or helping you reach the light switch in a pitch ...

Buying a monitor or TV has become a daunting task these days. When manufacturers aren’t branding their products with acronyms like QLED and OLED, they use confusing terms like mini-LED instead.

Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

As 2025 draws to a close and we turn our attention to the next wave of beauty: Barbie blush is already emerging as the trend to watch. While Barbiecore might still linger in the zeitgeist after 2023’s ...