The salt allows electricity to flow through the dough. With the addition of a homemade dough that substitutes sugar for salt, the dough becomes resistive instead, and complex circuits can be created ...

LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...

Have you ever bought a new LED bulb that promises to last for years and years, only to find it burns out within a year or so, just like a poor-quality incandescent? You're not alone -- and it's ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

Typically referred to as light therapy or LED face masks, these contraptions use light-emitting diodes to shine light at specific wavelengths onto the skin for various purposes like reducing ...

Comcast unveils ultra-low lag Internet... iOS 18.3 arrives with Apple... T-Mobile iPhones gain Starlink ...

With the best LED face masks now repping technology like near-infrared light and acne-fighting blue light, the skincare industry only seems to be gaining momentum. Many of us like to think we’ve ...

Electrical symbol library for the vector graphics program Inkscape.

The best smart lights can completely transform your home, whether you fancy a bit of digital redecorating, want to control your lights with your smart speaker, or just want to make your gaming rig ...

Our mostly-analog editor reflects on one of the major sustainability impacts of his career as a result of revolutionizing the ...