In this episode of Wrong, But Useful1: We're joined by @ajk_44, who is Alison Kiddle from NRICH in real life. We ask Alison: how long has NRICH been going? How do you tell which problems you've covered before? Colin's number of the podcast is 13,532,396,179 (he mistakenly calls it quadrillions rather than trillions, and sometimes transposes the 7 and 9 at the end. The fool.) Alison is NOT a trainspotter, but has just been to visit the new Cambridge North station and Shippea Hill, just to mess with statistics. See All The Stations for more! Rule 135 Dave has no […]