I'm reminded in a way of the play The Audience which was the predecessor to The Crown. In the play, we see a series of moments in history when Queen Elizabeth II is meeting with her prime ministers, giving a view of what was happening in life and politics at that point in time. Here, Chown takes us to visit various breakthroughs over the last 100 or so years when a step was made in the understanding of black holes.
The first few are around the basic theory - for example Schwarzschild's remarkable first solution of Einstein's equations of general relativity from his First World War hospital bed, and the gradual realisation of the implications of a large star losing the energy to keep itself fluffed up. Then come the shocking discoveries - quasars which turned out to be active supermassive black holes, the detection of the real things, black hole collisions detected using gravitational waves and more. As mentioned, there is one summary chapter on the speculative stuff, for me by far the least interesting bit of the whole thing, but that didn't spoil the enjoyment of the whole.
I'm really struggling to find anything to moan about. There is the occasional touch of hyperbole - at one point Chown says of Kerr's rotating black hole solution 'Arguably it would turn out to be the most important solution to any equation in physics' - I tend to think there are plenty with more practical applications (from Newton's equations of motion to some in quantum physics) that perhaps could be considered more important. And I think he could have made more of a throwaway comment in a footnote that Kerr had written a paper questioning whether black holes have to be singularities - the biggest problem the theoretical side faces - but these are trivial points.
What was so engaging in reading this book apart from the subject matter, much of which is passed over in other books on black holes in the rush to get to the speculation, and the personal touch from the interviews and biographical detail that Chown incorporates, is his writing style. I can honest say I don't know another science writer who is as good a storyteller as Chown. His writing is not fancy and full of literary tweaks and unnecessary technical terms. Chown is to popular science writing what Isaac Asimov was to science fiction. Not necessarily the most elegant writer, but a superb craftsman who really understands how to put across a narrative. Usually this skill is focused on the science, but here Chown applies it particularly to biography and history where it works even better: I'd say it makes this his best book yet.
Review by Brian Clegg - See all Brian's online articles or subscribe to a weekly email free here
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