Random Thoughts

I had a small website up for a while, but Geocities and my ISP have both discontinued their web hosting services. As an experiment I was lo...

Well, I grew a few different kind of peppers this year, and will miss them during the winter. The plants are winding down now that fall is...

I while back I was thinking about Origami, and the limits of working in three dimensions. I realized that if you start with a rigid piece of...

Robert Lang explains the principles behind origami, origami design software, along with practical applications in space, medicine, and auto ...

I like wooden toys, puzzles, and mechanical devices. The other day, I was looking at a simple proof of the Pythagorean Theorem. The ide...

Update: I added this script to github at: https://github.com/sevkeifert/text-utils/blob/master/svi A while back I needed a really simple...

I heard a joke about logic a while back: One man's modus ponens is another man's modus tollens Though, I am hesitant to tell such a...