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Brian Clegg was born in Lancashire. He read Natural Sciences at Cambridge University before doing an MA at Lancaster University. His books have been translated into several languages and include Before the Big Bang: The Prehistory of the Universe, A Brief History of Infinity: The Quest to Think the Unthinkable and Inflight Science: A Guide to the World from your Aeroplane Window. He has lectured at the Royal Institution in London and has spoken at Oxford and Cambridge Universities. He runs www.popularscience.co.uk and is a Fellow of the Royal Society of Arts. Brian lives in Wiltshire with his wife and twin children.

Build Your Own Time Machine

Brian Clegg

Brian Clegg conjectures on the totally conjectural world of time and space travel and brings it all beautifully down to earth. Brilliant.’ Johnny Ball

Clegg proves himself to be a lucid guide to the often complex science of time travel. His ambitious book covers more or less the whole of twentieth-century physics from relativity to string theoryTimes Literary Supplement

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There is no physical law to prevent time travel — nothing in physics to say it is impossible. So who is to say it can't be done?

In Build Your Own Time Machine, acclaimed science writer Brian Clegg takes inspiration from his childhood heroes, Doctor Who and H. G. Wells, to explain the nature of time.

How do we understand it and why measure it the way we do? How did the theories of one man change the way time was perceived by the world? Why wouldn't H. G. Wells's time machine have worked? And what would we need to do to make a real one?

Build Your Own Time Machine explores the amazing possibilities of quantum entanglement, superluminal speeds, neutron star cylinders and wormholes in space. Brian Clegg applies the most famous of Einstein's theories, special and general relativity, to explain the real science of time travel and discover how possible it really is.