Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Our pick for simple control, the RCA Smart Wi-Fi A19 LED Bulb, ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Scientists have discovered a previously unknown regulatory mechanism in plant photosynthesis in the unicellular green alga Chlamydomonas reinhardtii. It helps plants adapt to changes in light ...

We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house. I’m PCMag’s senior writer covering smart home ...

The extreme speed at which light moves, and the fact that photons do not tend to interact with transparent matter, is of enormous benefit to mankind. It allows us to see deep into the Universe and to ...