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.
Engineeringness on MSN
Why does a diode block current one way?
A diode is a small but powerful component that only lets electricity flow in one direction. In this video, you'll learn how ...
OLED TVs are known for excellent visual quality, but also garnered an early reputation for panel "burn-in." These days, ...
The Ting Smart Sensor quietly monitors your home wiring for potential hazards. Here's how it fared in my house.
If there's an electrical component on the fritz in your car or something that's stopped working entirely, one of the first ...
Larger 9th Circuit panel to hear San Diego challenge to California’s ammunition background check law
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 ...
Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...
House Digest on MSN
The Odd Reason Why Your LED Lights Keep Dying
LED lightbulbs are supposed to last thousands of hours, so how come some of them stop working so fast? The answer might be in ...
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 ...
The iron-on electronic patch could make it easier to embed sensors, lights, and microphones directly into clothing. The ...
Study Finds on MSN
Cell-Sized Robots Can Sense, Decide, And Move Without Outside Control
Cell-sized robots can sense temperature, make decisions, and move autonomously using nanowatts of power—no external control ...
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