They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...

The typical household LED light bulb is advertised with a 25,000 hour lifespan, which would be more than 20 years at 3 or so hours of use per day. That sounds great, but it seems that a good number of ...

The rise of LEDs has changed lighting design in many ways, as they take up little space and draw such low power. The beauty of this DIY desk lamp is in its simplicity and ease of use. This LED desk ...