# Blog

A blog of Python-related topics and code.

## Making a word search puzzle in Python

The program given below takes a list of words and attempts to fit them into a grid with given dimensions to make a word search puzzle. For example, using the file planets.txt:

## Cistercian Numerals

The Cistercian numeral counting system used by the Cistercian monastic order in the late medieval period. The digits 1 – 9 are depicted as symbols arranged around a vertical stave. By placing these symbols reflected vertically and/or horizontally into each of four locations the decimal digits in the units, tens, hundreds and thousands positions could be represented, enabling the numbers 0 – 9999 to be defined, as shown below (by user Meteoorkip from Wikipedia, CC BY-SA 4.0):

## Old-style Matplotlib charts

Just a quick demonstration of using Matplotlib and Pillow to customize a chart in the style of a 1950s academic journal article.

## Molecular Dynamics modelling of effusion into a vacuum

This previous post introduced a simple molecular dynamics simulation for the equilibration of the speeds of the particles of an ideal gas. The present post extends the code a little to model the effusion of an ideal gas through a small hole into a vacuum.