The advent of LED lighting in the past few years has now matured to the point where sweeping changes exist in the way we think about illumination. LED lighting was once the darling of scientists and ...

Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

LED replacement of incandescent lighting for residential use involves IC design that requires “penny pinching” to a degree not found in many other areas. LED-based bulbs that replace their ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Early adopters of LED lighting will remember 50,000 hour or even 100,000 hour lifetime ratings printed on the box. But during a recent trip to the hardware store the longest advertised lifetime I ...

LED bulbs have become quite common these days (here's what LED stands for), and you'll find them in street lights, factories, offices, and even in your home. One peculiar thing you may have noticed ...

On paper, LED bulbs are made to last for at least several years thanks to their low energy needs. I wanted to know why that doesn't always work out, so I talked to installers and LED manufacturers to ...

Arnold J Wilkins received funding from the Medical Research Council and the Wellcome Trust. There’s a handy trick for reading station signs that otherwise fly past in a blur as you travel in a ...