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buy black holes and baby universes online

In this collection of essays and other pieces – on subjects that range from warmly personal to the wholly scientific- he is revealed variously as the scientist, the man, the concerned world citizen, and – as always – the rigorous and imaginative thinker. Whether remembering his first experience of nursery school; puncturing the arrogance of those who think science can best be understood only by other scientists and should be left to them; exploring the origins and the future of the universe; or reflecting on the phenomenon of A Brief History of Time, Stephen’s wit, directness of style and absence of pomp are vital characteristics at all times.