The best father-son hobbies aren't about killing time - they're about building something together that teaches your kid how ...

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called ...

In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it uses rgb LEDs that are controlled by an Arduino-based microcontroller that ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

We may earn commission from links on this page, but we only recommend products we love. Promise. LED face masks have become the most popular at-home skincare tools—and for good reason. Red-light ...

These days, Windows has a moderately robust method for managing the volume across several applications. The only problem is ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Sleep happens in cycles that include three non-rapid eye movement (NREM) stages and one rapid eye movement (REM) stage, repeated 4 to 5 times nightly. Each cycle typically lasts 90 to 110 minutes. The ...

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...

Massive cuts to global health-care funding have had a huge impact on the continent, but a more resilient system can be built from within.