Casting the Decisive Vote
An elegant proof that unless the election is a foregone conclusion, the chance your vote decides the whole thing can’t be much lower than one in the number of voters.

A Child’s Plaything
What a simple toy could tell the past about their future.

The timing of labour aimed at reducing existential risk
Is it better to work on risks close to when they would occur, or as soon as possible?

Remembering Peter Eckersley
A eulogy for Peter.