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 ...

A living room and kitchen with recessed lighting - Nazar Abbas Photography/Getty Images If you're on the market for a new house or thinking about making some upgrades to your current home, you may be ...

Wood carvers will sometimes use chainsaws to “rough in,” but finishing requires more subtle sculpting tools. In lighting, as with other crafts, no single tool is perfect for everything. Coarse or ...

What if you could point something at your skin — in the comfort of your own home, no less — and decrease skin problems like wrinkles and acne? That’s the promise of light wands. Light therapy wands ...

The function of an LED is to emit light when the device is forward biased within its operating range, and it’s known by most people that an LED can also operate as a photodiode. Perhaps some readers ...