When you’re trekking through the great outdoors in the middle of the night, you need your hands free for reading maps, clearing obstacles, and fighting off bears. So Petzl’s new Nao headlamp makes all ...

Paramedic Brian Anderson logs more than 150 miles during an emergency work shift crisscrossing Long Island roads and beyond. When faced with bright headlight glare from LEDs, he said drivers have ...

Today's vehicles feature many kinds of illumination: Headlights, taillights, directional signals, and fog lights make it easier for you to see and be seen; overhead lights, map lights, lit glove ...