For many, strolling around neighborhoods to look at the holiday light displays is an annual tradition that brings twinkling cheer. But with the rise of LED lights in the last decade, some of the joy ...
Light-emitting diodes (LEDs) can cause headaches or trigger migraine in some people. However, some research suggests green LEDs may help with migraine symptoms and headaches. Exposure to LEDs occurs ...
No one likes a flickering light source, but lighting is often dependent on the quality of a building’s main AC power. Light intensity has a close relation to the supply voltage, but bulb type plays a ...
"There was an issue with non-AEP Ohio equipment that caused a transmission line to trip, causing the flickering lights in ...
In my so-far nearly 30 years of writing for EDN, I’ve learned a lot about my ever-evolving audience (i.e., you), at least two aspects of which are directly relevant to this particular writeup: Or take ...
LED bulbs are supposed to last for years -- some even claim up to 25,000 hours of light. So why do so many burn out way ahead of schedule, sometimes within a year? If you’ve ever replaced an expensive ...
New York City’s energy supply was momentarily disrupted, with lights flickering in parts of the city for a fraction of a second and some elevators failing, when a power substation in Vinegar Hill, ...