A brief word is in order about the need to ensure a mains earth connection, since it is obvious from the preceding discussion that this requirement is frequently at odds with anti-interference ...

Not long ago, people who wanted to generate their own green energy at home had to content themselves with rooftop solar panels. But new technologies -- and hefty government subsidies -- are now ...

The Cold War was a crazy time. With the space race happening on one front and an arms race happening on another, the United States was constantly looking for ways to gain an advantage over the Soviets ...