Researchers have developed a smart water-spray cooling system for PV panels that activates only when temperatures exceed a ...

Imagine for a moment that it’s the late 18th century: there are no electric lights, no wristwatches and certainly no smartphones. Once the sun sets, the only way to discern the time on your pocket ...

Find historical weather by searching for a city, zip code, or airport code. Include a date for which you would like to see weather history. You can select a range of dates in the results on the next ...