Here are a few more articles from the electronics trade magazines that I thought you would find interesting….Dan
Measuring Cell Capacity
Quickly assess relative coax-cable-shielding quality
One of the maxims of amateur radio is that you should use quality coax, and one of the ways to tell if you quality coax is that it provides good quality shielding. The problem is how to determine shielding quality. Well, this article outlines a test method for doing just that. It may be more than what most amateur radio operators can do, but it’s interesting information for those that are interested.
How do bi-metallic strips work?
Joining two strips of dissimilar metals mechanically joined either by rivets or by being fused together along their length forms a structure that responds to changes of temperature by bending in a preferred direction. This article explores this phenomenon in a little more depth, so that if you’re using a bi-metallic strip in one of your designs, you understand what’s going on.