It’s ironic that the editor of this website, Brian Clegg, has occasionally said he can’t see the point of books with a series of short articles on a subject… only to end up editing just such a book here. I usually review children’s books and this format is very familiar to me – the two page spread, with text on one page and a large illustration on the other – but I do accept it’s more uncommon in adult non-fiction. For me this particular example works well. If I’m honest, though, the cover made me nervous. With a combination of an ungrammatical title and a picture of E=mc 2 crossed out (something that never features inside) it seems as if it may be verging on pseudo-science, but actually the topics (written by a collection of highly respectable authors, including Jim Al-Khalili on the foreword) are the bits of physics that were once or are still challenging and that take people by surprise. In other words, the interesting bits. The book is divided into seven sections –...