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.

Last night, the 75-foot Norway Spruce was lit at Rockefeller Center. According to its website, The Rockefeller Christmas Tree has over 50,000 multicolor LED lights (that’s five miles of string lights) ...

In a sudden outburst, Vamshi allegedly attacked Bheemesh with a dumbbell, hitting him on the forehead and killing him instantly. A 24-year-old man allegedly killed his manager following a verbal spat ...

A handpicked article read aloud from the latest issue of The Economist. Short days and fading sun bring more than just cold weather. Bright light therapy may offer a surprisingly simple way to ease ...

Every day, your brain makes thousands of decisions under uncertainty. Most of the time, you guess right. When you don't, you learn. But when the brain's ability to judge context or assign meaning ...

Redefining the repeating pattern in photonic crystals creates tightly confined pathways for light while preserving symmetry, offering a simple route to ultracompact and low loss light circuits.

Hyke: Northern Lights PS5 review – This year has seen some excellent first-time developers enter the industry, and Blast Edge Games is poised to join that hallowed pack of fellow game studios. Hyke: ...

Abstract: It is shown that a simple active oscillating circuit with memristor yields quite complicated two-parameter bifurcation diagrams. When two (out of three) parameters of the circuit change ...

Wyze has just launched a new “Lamp Socket v2” accessory that lets users power their cameras using a simple light bulb fixture, while also making those bulbs smart in the process. The Wyze Lamp Socket ...

(KRON) — A BMW driving with its high beam lights on caught the attention of Vallejo Police Department patrol officers over the weekend, leading to an arrest for multiple firearm violations, according ...