Monitors are cheaper, faster, and more beautiful than ever. Here’s how to choose one that will suit your needs and budget.

Christopher Paul reviews Steve Woodward’s “Ignoring the regulator's reference” with a few minor tweaks to optimize ...

For the first time, researchers in China have demonstrated a high-temperature superconducting diode effect, which allows a ...

Discover the science behind diodes — the tiny components that control the flow of electricity. Learn how they let current pass in one direction, block it in the other, and power everything from phone ...

Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

The variety of fitness trackers means there is something for everyone. Some devices may be particularly useful for specific areas — for sleep tracking, for example, you can't beat an unobtrusive ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

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 ...

Inorganic LEDs are light-emitting diodes (LEDs) made from a crystalline semiconductor. The optical emission wavelength can be selected by varying material composition. Example active regions include ...