DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder ...

Supercapacitors (SCs), also known as ultracapacitors and electric double-layer capacitors are finding use in a variety of power management applications. In automotive applications such as start-stop ...

I am typing this from a jungle hilltop in Belize, miles away from urban utilities such as running water, sewer, natural gas, or electricity, yet the house I live in has these amenities. Electricity is ...