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.

Using ultracold atoms and laser light, researchers recreated the behavior of a Josephson junction—an essential component of ...

The 9th U.S. Circuit Court of Appeals announced Monday that an 11-judge panel will hear a San Diego case challenging a California law that requires a background check for nearly all purchases of ...

A continuity tester that indicates the resistance of, say, PCB traces with musically-related tones, whose pitch changes with ...

The three week-long wait is over. The Mugello test is done and dusted, and we’re back to racing with the European leg of the 2012 season getting underway this weekend at Catalunya, Spain, the 22nd ...

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

It's evident right in the name why a multimeter can be so handy — it measures multiple things, including voltage, current, and electric resistance. This makes it useful whether you're a professional ...

Transforming basic robotics kits, a student-led startup is redefining a complete learning path, from beginner projects to ...

Cell-sized robots can sense temperature, make decisions, and move autonomously using nanowatts of power—no external control ...

Scientists create perovskite film semiconductors at room temperature using lasers, which is a revolution for chips and solar ...