You might not think that an academic computer science course could be classified as an export of military technology. But under the Defence Trade Controls Act – which passed into law in April, and will come into force next year – there is a real possibility that even seemingly innocuous educational and research activities could fall foul of Australian defence export control laws.

## Why your calculator (and computer, and phone…) is a weapon

The Australian government may have classified your calculator — and phone, and computer, and every electronic device you own — as military weapons.

## The Lost Art of Integration Impossibility

Integration is less a science and more an art form. It high time we shed some light on this lost art.

## Hyperbolic links

A set of links I collated about hyperbolic geometry.

## Quadratic geography, algebraic extreme sports and magical Farey trees

Published in the Australian Mathematical Society Gazette “Mathellaneous” column.

## Games with Galois

In 2004 for the Mathellaneous column of the AustMS Gazette, I wrote an article about games and Galois theory.

## A Beautiful Sequence

In 2004, I wrote a recreational article for the Australian Mathematical Society Gazette about one of my favourite sequences.

## The Exotic Realm of p-adic Numbers

A perhaps not-so-polished article I wrote for Paradox, the magazine of MUMS, the Melbourne University Mathematics and Statistics Society, as an undergraduate student. A very simple very brief introduction to p-adic numbers.

## Some Mathematicians Like it Hot: Fourier and Descartes

A perhaps not-so-polished article I wrote for Paradox, the magazine of MUMS, the Melbourne University Mathematics and Statistics Society, as an undergraduate student.

## Knot Man!

Of course the most important part of this webpage is the part devoted to mathematical superhero Knot Man. Known to others as Theodore J. Knott, in times of mathematical emergency, with his topological utility belt and supply of high-energy genus-1 donuts, he becomes Knot Man, Defender of the Mathematical Universe, saving the world from all manner of crazed physicists and economists! Illustrated by Priscilla Brown.