Posted in podcasts.

In this month’s podcast, @reflectivemaths and I discuss: Colin’s book being available to buy Number of the podcast: Catalan’s constant, which is about 0.915 965 (defined as $\frac{1}{1} – \frac{1}{9} + \frac{1}{25} – \frac{1}{49} + … + \frac{1}{(2n+1)^2} – \frac{1}{(2n+3)^2} + …$). Not known whether it’s rational. Used in combinatorics

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Posted in podcasts.

In Episode $n$ of Wrong, But Useful (where $n$ is a semiprime followed by two semiprimes and a square), @reflectivemaths and I discuss: Colin’s trip to Center Parcs and whether it is sufficiently central The number of the podcast, which is the tetrahedral angle, $\arccos\left(\frac{1}{3}\right)$ The Other Half podcast Our

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This month’s episode is an interview with podcaster extraordinaire, @samuel_hansen, who is Samuel Hansen in real life. If you’re not listening to Relatively Prime, I don’t know what’s wrong with you. Go and listen to it.

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In this month’s festive WBU, Colin and Dave discuss… Bill’s second birthday and train set Colin’s latest book is due out any day. First number of the podcast: 998 (days since our first recording) Colin gloats about Spoof My Proof and Dave chews on sour grapes Second number of the

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In a departure from the norm, Wrong But Useful tries its first panel game. In a completely original format, our intrepid podcasters trade lies in a panel game entitled Spoof My Proof. On Colin’s team: @christianp (Christian Lawson-Perfect) and @dragon_dodo (Dominika Vasilkova) On Dave’s team: @realityminus3 (Elizabeth A. Williams) and

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In this episode of Wrong, But Useful, @reflectivemaths and @icecolbeveridge…: Argue about the inferiority of statistics Give a number of the podcast: $e^{\frac{\pi}{2}} = i^i \approx 0.20788…$ Review @standupmaths’s excellent Things to Make and Do in the Fourth Dimension Investigate equable shapes in several dimensions, with reference to @tombutton’s MathsJam

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In this month’s exciting instalment of Wrong, But Useful, @reflectivemaths and @icecolbeveridge discuss: The number of the podcast: 36.16 seconds, the current world record for sorting a pack of cards Dave is reading The Number Devil: A Mathematical Adventure — and asks what happens if you colour in the multiples

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Posted in podcasts.

In this month’s thrilling instalment of the nation’s #1 maths podcast1 , @reflectivemaths and I discuss… The recent leap second The number of the podcast, 999,999,999,998,999,999,999,999. Farey sequences – introducing the mediant of two fractions A couple of agreeable sequences, via @pickover The number of squares of any size on

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Posted in podcasts.

In this month’s thrilling instalment of the world’s #1 maths chatter podcast, @reflectivemaths (Dave) and I discuss… The number of the podcast: 1000000000000066600000000000001, Belfigore’s prime. The rollercoaster question and the role of common sense in exams Colin’s reading: The Trachtenberg Speed System of Basic Mathematics Traffic maths and simulations —

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Posted in podcasts.

Our second anniversary, and it’s a bit of a love-in. Sorry to disappoint. Colin and his partner have a new baby, Fred! Happy anniversary to us! Number of the podcast: $2+\sqrt{3}$, because it comes up in the Lucas-Lehmer test for Mersenne primes. A brief digression on the test, Mersenne primes

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