What It Takes

In the ongoing string theory comment thread (which, by the way, I’m really happy to see), “Who” steps off first to ask an interesting question: One way to give operational meaning to a theory being predictive in the sense of being empirically testable is to ask What future experimental result would cause you to reject… Continue reading What It Takes

Physicist in Landscape

There’s a slightly snarky Review of Leonard Susskind’s book on string theory (The Cosmic Landscape: String Theory and the Illusion of Intelligent Design) in the New York Times this week. Predictably, Peter Woit is all over it. The central issue of the book, and the review, and Woit’s whole blog is what’s referred to as… Continue reading Physicist in Landscape