It’s been a while since I read a physical book. Most of my reading these days is done on the kindle and, while I still have physical text books for my maths degree, I have a lot of books just waiting to be read. What If? by xkcd creator Randall Munroe is one of these. I was given this as a present a few years ago and, despite my initial excitement (having been a reader of xkcd since about comic 17212) the book had sat on my bedside table under the kindle but just above the half-read “Sagas of the Icelanders” that I’d bought on my honeymoon. Last week I picked it up and started reading. I read just under half in that first sitting and then two days later finished it. I wish I’d read it the day it was given to me. Continue reading Review: What If? Serious scientific answers to absurd hypothetical questions