There is no universally perfect emergency backup system; instead, businesses select from several proven technologies based on their size, purpose, and energy profile. Common options include: ...

In the 1920s, Albert Einstein and one of his former students developed a way to keep food cold using heat. It was designed to ...

While an accurate picture remains obscured by secretive industry practices and incomplete public data, the pressure from some of the richest companies in the world to expand electricity production is ...