A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

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

Please note that honeycomb, roller, and protective cover are sent for the creators to test the machine and have a better user experience. So, please be informed that the actual purchased product ...

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

The iron-on electronic patch could make it easier to embed sensors, lights, and microphones directly into clothing. The ...

One part wants 3.3V logic. Another wants 5V. What do you do? Over on the [Playduino] YouTube channel, there’s a recent video running us through a not-so-recent concern: various approaches to ...

Ultra-Low Noise JFETs provide guaranteed low noise performance, tight matching, and unparalleled thermal management for Analog Front-Ends, Discrete Op Amps, and Low Noise Amplifiers FREMONT, Calif., ...

There are three new ghosts in Phasmophobia. This guide will show players how to detect Obambo, Gallu, & Dayan.

The Ting Smart Sensor quietly monitors your home wiring for potential hazards. Here's how it fared in my house.

Cold weather exposes weak batteries fast. Here’s how to spot the warning signs—and replace it before winter leaves you stuck.

Agriculture, from the outset, has been made possible by humans tweaking the genes of plants to make them grow faster, produce ...

Google is ending its dark web report, with scans stopping Jan. 15, 2026. Google says it is shifting to tools with clearer, actionable guidance. Other dark web monitoring tools and scanners are still ...