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Book Title: Visul lui Einstein si alte eseuri|
The author of the book: Stephen Hawking
Edition: Editura Humanitas
Date of issue: 2010
Format files: PDF
The size of the: 379 KB
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ISBN: No data
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Reader ratings: 6.9
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Dupa Albert Einstein, Stephen Hawking este fara indoiala cel mai celebru fizician. In randul oamenilor de stiinta, celebritatea lui vine din contributia la studiul gaurilor negre, apoi din participarea sa la aventura cosmologica in care sunt propuse noi si noi modele ale cosmosului, in acord cu teoriile ce incearca sa descrie universul microscopic. Pentru publicul larg insa, Hawking a devenit celebru ca autorul celei mai bine vandute carti de popularizare a stiintei, Scurta istorie a timpului, si ca exemplu de tarie morala: de decenii Hawking e tintuit intr-un carucior cu rotile si tine legatura cu lumea printr-un calculator. Vocea lui e vocea calculatorului.
Visul lui Einstein reuneste eseuri stiintifice destinate publicului larg si pagini autobiografice. Cartea se incheie cu un interviu din 1992 al carui punct de plecare e muzica: ce discuri ar lua Hawking cu el pe o insula pustie?... Nu numai fizica, dar si muzica il apropie pe Hawking de Einstein.
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Read information about the authorStephen William Hawking was born on 8 January 1942 in Oxford, England. His parents' house was in north London, but during the second world war Oxford was considered a safer place to have babies. When he was eight, his family moved to St Albans, a town about 20 miles north of London. At eleven Stephen went to St Albans School, and then on to University College, Oxford, his father's old college. Stephen wanted to do Mathematics, although his father would have preferred medicine. Mathematics was not available at University College, so he did Physics instead. After three years and not very much work he was awarded a first class honours degree in Natural Science.
Stephen then went on to Cambridge to do research in Cosmology, there being no-one working in that area in Oxford at the time. His supervisor was Denis Sciama, although he had hoped to get Fred Hoyle who was working in Cambridge. After gaining his Ph.D. he became first a Research Fellow, and later on a Professorial Fellow at Gonville and Caius College. After leaving the Institute of Astronomy in 1973 Stephen came to the Department of Applied Mathematics and Theoretical Physics, and since 1979 has held the post of Lucasian Professor of Mathematics. The chair was founded in 1663 with money left in the will of the Reverend Henry Lucas, who had been the Member of Parliament for the University. It was first held by Isaac Barrow, and then in 1669 by Isaac Newton.
Stephen Hawking worked on the basic laws which govern the universe. With Roger Penrose he showed that Einstein's General Theory of Relativity implied space and time would have a beginning in the Big Bang and an end in black holes. These results indicated it was necessary to unify General Relativity with Quantum Theory, the other great Scientific development of the first half of the 20th Century. One consequence of such a unification that he discovered was that black holes should not be completely black, but should emit radiation and eventually evaporate and disappear. Another conjecture is that the universe has no edge or boundary in imaginary time. This would imply that the way the universe began was completely determined by the laws of science.
His many publications include The Large Scale Structure of Spacetime with G.F.R. Ellis, General Relativity: An Einstein Centenary Survey, with W. Israel, and 300 Years of Gravity, with W. Israel. Stephen Hawking has three popular books published; his best seller A Brief History of Time, Black Holes and Baby Universes and Other Essays and most recently in 2001, The Universe in a Nutshell.
Professor Hawking received twelve honorary degrees, was awarded the CBE in 1982, and was made a Companion of Honour in 1989. He was the recipient of many awards, medals and prizes and is a Fellow of The Royal Society and a Member of the US National Academy of Sciences.
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