Abstract: The drop in solar panel cost over past decade has accelerated the usage of solar photovoltaic (SPV) in various applications. In tropical countries, air conditioning unit is extensively used ...

Seiko celebrates its 145th anniversary with four limited‑edition watches across King Seiko, Prospex, Presage and Astron lines Each model features gold accents and historic design cues, from pocket ...

It has become a tradition for Seiko to be the first brand to introduce new watches every year. This time, it’s not just one or two but a full quartet of new pieces. To celebrate the brand’s 145th ...

Anyone with rooftop solar knows the awkward truth. Panels work hardest in the middle of the day while many homes and offices use the most electricity after sunset, when lights, TVs, and air ...