Light-emitting diodes are front and center for many of our digital experiences. Every modern phone and tablet you look at uses LEDs in its display. It’s worth knowing how these work. In short, LEDs ...

I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...

Along with being brighter, LED bulbs tend to use less power and have a much longer average lifespan compared to conventional halogen bulbs. Now that LED lighting technology has gotten significantly ...

Upgrading your headlights is one of the easiest, cheapest, and simplest mods. It’s often the first mod of any prospective car modder, or it could be just time to swap out some old bulbs. Either way, ...

There are tons of smart LED light bulbs to choose from nowadays -- and they come in an array styles and specs to suit any smart home. Most of them connect over a local Wi-Fi network, your phone's ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...