In France, it is common to refer to “kilometres per hour” as “kilomètre-heures”. This fills me with a deep sense of mathematical unease.

So I started thinking about what a “kilometre hour” actually is. And also about turtles.

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In France, it is common to refer to “kilometres per hour” as “kilomètre-heures”. This fills me with a deep sense of mathematical unease.

So I started thinking about what a “kilometre hour” actually is. And also about turtles.

Back in 2012, I had a go at doing some stand-up comedy on the maths of US presidential elections for Bright Club (a public engagement scheme for academics). Given that the US is currently careering headlong into another election, it seems a good time to post the video, along with a brief discussion of the maths (or possibly an apology for the maths):