We may receive a commission on purchases made from links. Vehicles used to rely on halogen bulbs for headlights, but the industry has largely switched over to light emitting diode (LED) technology for ...

This is an LED bulb that fits into a recessed light fixture. It can become an annoying strobe light in your home. (Tim Carter) Analysis by Tim Carter Q: I feel like I’m going to have a seizure. I’ve ...

There's a handy trick for reading station signs that otherwise fly past in a blur as you travel in a high-speed train. Look at one side of the window and then immediately at the other side of the ...