Entries by phinds

An Introduction to Computer Languages

In this Insights Guide, the focus is entirely on types of languages, how they relate to what computers actually do, and how they are used by people. It is a general discussion and intended to be reasonably brief, so there is very little focus on specific languages. Please keep in mind that for just about…

Learn Inflation Balloon Analogy Misconceptions

This article was written with considerable input from several senior members of the PF community. The Balloon Analogy is a simple-minded way to help describe (but not completely describe) two facts of cosmology that are difficult for many people to see, namely that the universe is expanding uniformly and that there is no center (and…