In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

An Algerian research team has developed a smart water-spray cooling system for PV panels that activates only when temperatures exceed a set threshold, boosting efficiency while minimizing water use in ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kathryn Rath Kathryn Rath is a writer covering audio, video, and smart-home ...

The campus of George Mason University and the housing surrounding that area welcomed 2021 with increased water pressure, courtesy of a new 2.5 million-gallon water tower on the GMU grounds. The new ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Fairfax Water wants to build a new water-maintenance facility at 14925 Willard Road in Chantilly. It would replace the existing one in the Sullyfield Business Park. On Sept. 18, the Fairfax County ...

Surface water is fundamental to the Earth system, and it is undergoing rapid transformation driven by climate variability, extreme events, land use change, ...