Progress in the LED lighting industry can best be measured in two separate metrics: pricing and efficiency. Pricing gets most of the attention, but so many factors affect it -- from the cost of ...

Tiny flashlight, tiny output, right? That's not always the case. We've seen a number of keychainable mini-flashlights with big lighting capabilities over the years, and the new PicoTorch takes the ...

LED maker Cree announced this week that it had achieved a new record in terms of lighting efficiency, harvesting 303 lumens per watt from a white high power LED at room temperature. This represents a ...

BOSTON - It's a problem on city streets and on country roads in Massachusetts and beyond. You can see it until you can't see anything at all. They are blinding headlights. The blueish tint of LEDs can ...

The flashlight I use most often is built into my phone and it’s around 50 lumens. It works fine up close, but there are pocket-sized flashlights that can illuminate an entire football field. There are ...