TL;DR: Photonics unveiled the Jumbo 162, a 767-inch LED display with 4K resolution and a 3840Hz refresh rate... a gamer's dream display. Imagine Mario Kart on this thing! Belgian LED display ...

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 ...

So it was good news for me when manufacturers introduced a more cost-effective, environmentally sound lighting option: the LED (light emitting diode). Also: Don't plug these 7 appliances ...