Last month's column covered the behavior of electrical components connected in series and demonstrated that when a voltage is applied across a series circuit, the current through each component is the ...

Circuit breakers are everywhere. If a technology, product, or piece of equipment runs on electricity, chances are it contains at least one circuit breaker to keep users and internal components safe.

So, I'm pretty handy with a soldering iron to put together stuff, but I have little to know idea of how to go about figuring out how to build a circuit. I mean, I know what a resistor does, and a ...