How to write good
rules from Frank L. Visco and William Safire. Spotted via a post from Perdita Stevens.
The truth wears off
The truth wears off, Jonah Lehrer, The New Yorker, 13 December 2010. Recommended by Amer Diwan in his keynote at PLDI 2012. It's hard to establish an effect by rigorous experiment. This article describes cases, mostly medical, where a demonstrated effect becomes harder to replicate as time passes.
Lambda Calculus, Then and Now, by Dana Scott
Turing Centennial Celebration. My talk was scheduled between Dana Scott and Leslie Valiant. Dana's talk was not an easy act to follow. The talk summarises the history of lambda calculus from 1930 to the present, a resource for future scholars. I'm pleased that a version is now available. Dana asked me to indicate he would be pleased to receive any suggestions or criticisms.