Seeing clearly during nighttime driving is one of the most basic, yet most important, tenets of road safety. Not every ...

Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry's ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

The typical household LED light bulb is advertised with a 25,000 hour lifespan, which would be more than 20 years at 3 or so hours of use per day. That sounds great, but it seems that a good number of ...

LED-based bulbs that replace their incandescent counterparts require a significant amount of engineering (Fig. 1). In the 60 W range the LED driver board can take up about 15% of the overall cost of ...