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Books : Science & Nature : Reference : Reference
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Richard Feynman, the rock star of theoretical physics, has left an image that belies the nerdy side revealed in Feynman's Lost Lecture: The Motion of Planets Around the Sun. Not many bongo-playing surfer beatniks would have spent hours of their spare time proving Newton's law of elliptical planetary motion using only plane geometry, but Feynman's Lost Lecture shows that the great man did just that. Originally delivered to an introductory physics class at Caltech in 1963, this book contains everything the maths-savvy listener needs to savour the pleasures of applied maths. Caltech physicist David L Goodstein and archivist Judith R Goodstein found the notes and tape amid another professor's papers and set to work making sense of them; unfortunately photographs of the blackboard drawings didn't survive. The book briefly covers their find and recovery work, then presents the proof as reconstructed--crucial reading if one is to follow the lecture. There's nothing easy about it, as Feynman acknowledges in the lecture:
I am going to give what I will call and elementary demonstration. "Elementary" means that very little is required to know ahead of time in order to understand it, except to have an infinite amount of intelligence.
He means, instead, that he is strictly using geometrical methods to reach his destination, which explains why it was so difficult to reconstruct without his diagrams. His charming Brooklyn accent and good humour show through in this lecture, even if the material is quite a bit drier than his fans might expect. Still, those interested in adding a new dimension to their understanding of this unquestionably brilliant scientist--and those with a deep interest in Newtonian physics--will find The Motion of Planets Around the Sun a rare and unexpected treat. --Rob Lightner -
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Stephen Hawking, one of the most brilliant theoretical physicists in history, wrote the modern classic A Brief History of Time to help non-scientists understand fundamental questions of physics and our existence: where did the universe come from? How and why did it begin? Will it come to an end, and if so, how? Hawking attempts to deal with these questions (and where we might look for answers) using a minimum of technical jargon. Among the topics gracefully covered are gravity, black holes, the Big Bang, the nature of time and physicists' search for a grand unifying theory. This is deep science; the concepts are so vast (or so tiny) that they cause mental vertigo while reading, and one can't help but marvel at Hawking's ability to synthesize this difficult subject for people not used to thinking about things like alternate dimensions. The journey is certainly worth taking for as Hawking says, the reward of understanding the universe may be a glimpse of "the mind of God". --Therese Littleton, Amazon.com
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In Heaven's Mirror, author Graham Hancock continues the quest begun in his No. 1 international bestseller Fingerprints of the Gods. He attempts to rediscover the hidden legacy of mankind--the revelation that the cultures we term ancient were, in fact, the heirs to a far older forgotten civilisation, and the inheritors of its archaic wisdom.
Working with the photographer Santha Faiia, his wife, Hancock traces a network of sacred sites around the globe on a spectacular voyage of discovery that takes us from the pyramids and temples of ancient Egypt to the enigmatic statues of Easter Island; from the haunting ruins of pre-Columbian America to the splendours of Angkor Wat, in order to crack the code of our lost ancestors. It is an odyssey that leads to sunken monuments and hidden chambers--a journey through myth and magic, and astounding archaeological revelations, that forces us to rethink our entire conception of the origins of civilisation.
Much more than a sequel to Fingerprints of the Gods,Heaven's Mirror is a plunge into the spirituality of the ancients--a search for the revelation of a secret written in the language of astronomy, and recorded in the very foundations of the holiest sites of antiquity.--Christine Buttery
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