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 take on Relatively Prime (Colin wrote up a series of reviews for The Aperiodical) Colin’s guest appearance on Almost Eduational, talking about zero, in which he mentions his forthcoming books, Cracking Mathematics and AS- and A-Level Maths For Dummies Dave’s post expanding on Colin’s Zombie post Dave has bought a […]