
I have never come across John Gribbin before but I will definitely be seeking out his previous books as I thoroughly enjoyed this one. He covers some incredibly complex concepts such as quantum physics but apart from a few scary-looking equations (which we are told we can skip if we wish!) the science is clearly and accessibly explained, using examples that are very easy to follow. I learned so much from this book, although I read it in small chunks rather than all at once because there is a lot of information here to absorb.
Subjects covered include light moving faster than light, black holes and wormholes, how to build a time machine, and parallel universes. He cites relevant science fiction stories to show the crossover between fiction and reality, and how sci-fi often has ideas first, that are then proven by the science. Some of the ideas presented here as fact are mind bending, but the scientific references are there; physicists have shown, using equations, that this stuff could happen. Science fiction becoming fact - I loved it!
If you are intrigued by the concept of time travel and would love to know the science behind it, or even if you want to write a time travel novel and want to incorporate as much real science as you can, read this book. Everything you need to know is here.
Verdict: ⭐⭐⭐⭐⭐