Chess Challenge Cards (v0.1)

Chess Challenge Cards

I created these cards for the kids in the chess club that I run. Many of them keep playing with the strategy …

Splat Calculator

Useful for calculating the speed of something (or someone) that is falling.

spirited away 2

Spirited Away

Cecilee and I are in the midst of our latest movie project, this one an effort to catch up on films that …



Let’s start by noting that this is based on watching Ascension while sick and only half conscious, so I may have missed a …

Degelen mountain test site no. 169/2 line of sight pipe.

Soviet Underground

Among the many oddities I stumble across while doing research for my books. I this case, we have a USGS report on …