This paper presents an AC-powered LED driver circuit that can drive multiple strings of LEDs with uniform brightness. The circuit basically has a two-stage topology in which the first-stage boost ...

Red Sox could trade another multi-time All-Star after Rafael Devers blockbuster Ryan Amick June 16, 2025 • 8:47 am PDT ...

Junction temperature is a critical metric for reliability evaluation of light-emitting diodes (LEDs) as light sources for automotive lamps. While numerous researchers have quantified the junction ...

Fabricated via thermal evaporation, the champion perovskite-perovskite-silicon triple-junction solar cell reached an efficiency of around 22% after 110 hours of fixed-voltage operation under ...

When New York State Police and emergency crews arrived, they found the multi-family structure—containing 10 apartments—engulfed in flames, police said on Thursday, June 12. Following an investigation, ...

The Boston Red Sox made a post on social media during today's game that a rookie had made team history, and it is not Roman Anthony. Third basemen Marcelo Mayer, at just 22-years-old, became the ...

BOSTON — All eyes have been on Roman Anthony this week, but he isn't the only former top prospect in the Boston Red Sox's lineup. Marcelo Mayer, who made his MLB debut two weeks earlier than ...

My TV LED is red and blinks multiple times Unfortunately, a red blinking LED is not a good sign. There are several steps you can undertake to solve this problem. Perform each step before moving on to ...

Oscar Piastri believes McLaren's two-pronged attack in the 2025 Formula 1 season is giving them an edge over Max Verstappen's title defense. Speaking after a dominant 1-2 finish in Spain, the ...

BRIGHTON, N.Y. – A multi-car crash on 390 north in Brighton led to traffic delays Friday evening. The road was closed for awhile but is now back open. No injuries have been reported. This story ...