Are you surprised at the low prices of new Ultra HD televisions? Probably not. Most of us already have one, or are satisfied with the eye-popping pictures and streaming services we now receive. We seldom think about HOW the technology works that brings us entertainment, news, sports, movies.

The first time I downloaded a game it was 1989. I didn't know what I was doing to get the download. I just thought an animated ball falling inside a hoop with the correct answer seemed a cool game for my kids. When the game opened, I gasped. How could this happen?

Well, I'm not much more conversant in computer technology than I was in 1989, but it still amazes me.

Here's an advertisement for an exposition from more than 60 years ago. There's at least one technological term were familiar with --Closed Circuit Television.

Sophisticated defense weapons of today are understood by very few -- hopefully. That's the way we need to keep it.