SAN FRANCISCO - A string of lights spotted moving across the evening sky over parts of the Bay Area on Monday evening prompted questions from viewers: What were they? Videos submitted by residents ...

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.

Abstract: The main objectives in driving multiple LED strings include achieving uniform current control and high-performance pulse width modulation (PWM) dimming for all strings. This study proposes a ...

Solar lights are environmentally friendly lighting, and with a good set, you can create an ambience that lets you enjoy your garden long after dark. Powered by solar panels, they absorb daylight and ...

Abstract: Conventional energy sources have been declining rapidly and the consumption of renewable energy sources have increased in recent times. Due to rapid increase in Light Emitting Diode (LED) ...