LED lightbulbs are supposed to last thousands of hours, so how come some of them stop working so fast? The answer might be in ...

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

Making a good lighting system for your rc projects is not complicated at all, in this video I'll show the whole process to ...

LED Christmas lights may be efficient, but can you use them worry-free? We talked to an expert about how proper usage and ...

Below, the best places in the city to sweat, shiver and repeat. A new boat has moored at Toronto’s downtown harbour—and no, ...

Limit the time your Christmas tree lights are on to six to eight hours, preferably while someone is awake and able to monitor ...

The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and breakthroughs to find the right recipe.

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

HOMEOWNERS are under a strict warning to be vigilant about how they use their Christmas tree lights this holiday season. Many ...

Microscopic fibers secretly shape how every organ in the body works, yet they’ve been notoriously hard to study—until now. A new imaging technique called ComSLI reveals hidden fiber orientations in ...

Are you planning on decorating your house to the nines this Christmas? You may need to be mindul about your lights! Most people who decorate electrical light le ...

Baltimore Mayor Brandon Scott is scheduled to preside over the most widely known such event in the area, the annual Inner ...