Differential Equations on the Playground (pendula, swings, open tube accoustics).

Fuzzy Logic in the Rice Maker.

Time Scales Introduction

The mathematics behind the tools we use (history of measuring tools).

Nonserious mathematics done by serious people, a la the Scottish pub and Brauer.

More Pokemon Math (catch probabilities, VGC endgame calculations, the floor function, break/bulkpoints)