With an eerie, robot-like appearance and an otherworldly glow when worn, those LED masks all over your FYP give off a science-fiction vibe. Fittingly, it was researchers with NASA who discovered ...

Before LED lights were introduced, many auto companies used halogen bulbs to light up the road, typically producing 900 to 1,000 lumens of light. LED bulbs however produce from 3,600 to 4,500 ...