Abstract: Many indoor sensors are powered by artificial-light-harvesting photovoltaic (PV) cells. The performance evaluation and application of PV devices require irradiance measurement to determine ...

Dialing in your aperture, shutter speed and ISO doesn't have to be a game of guesswork when using manual mode. If you're consistently getting overly dark or light photos, you may just need to learn ...

Harare Mayor Jacob Mafume has raised alarm over the installation of prepaid electricity meters on public infrastructure calling the move a disastrous policy that is endangering public safety and ...

A smart electric meter at a National Grid customer’s home. Customers can track usage through the utility’s website. ALBANY — National Grid is in the process of installing so-called smart meters at the ...

My list of negatives does the TTArtisan Light Meter II a bit of a disservice, because in spite of its shortcomings, it’s still an easy-to-use device that’s accurate enough and considerably cheaper ...

Introducing the Datacolor LightColor meter. Measures all types of lighting + color temperature, wirelessly. Streams data to your phone in real-time via its free app. Datacolor today announced the ...

Grow lights must be placed close to plants to ensure sufficient light intensity for growth. Symptoms like stretching and pale leaves indicate insufficient light, possibly due to the light being too ...

ALBUQUERQUE, N.M. (KRQE) – A recent video circulating on social media has people wondering what the devices mounted on Downtown parking meters are. As it turns out, they are nothing new. “People are ...