A Brief History of Time#1 NEW YORK TIMES BESTSELLER |
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FUTURE LIGHT CONE PAST LIGHT CONE SPACE TIME EVENT ( PRESENT ) FIGURE 2.4 SPACE Given an event P , one can divide the other events in the universe into three classes . Those events that can be reached from the event P by a particle or ...
A possible way to explain the absence of visitors from the future would be to say that the past is fixed because we have observed it and seen that it does not have the kind of warping needed to allow travel back from the future .
Thus it should include histories in which space - time is so warped that it is possible to travel into the past . Why then aren't we in trouble with history ? Suppose , for example , someone had gone back and given the Nazis the secret ...
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LibraryThing Review
Crítica de los usuarios - jcvogan1 - LibraryThingFirst hundred pages are excellent, but then it gets to the then current day and becomes more a standard academic ‘this is what I think’ book. Leer comentario completo
LibraryThing Review
Crítica de los usuarios - benkaboo - LibraryThingSummary: Deep dive summary of the world of physics over the last 500 odd years. Things I liked: Objective: Trying to break heavy duty science into the language and ideas that regular folk can ... Leer comentario completo
Otras ediciones - Ver todas
A Brief History of Time: From the Big Bang to Black Holes Stephen Hawking,Carl Sagan Vista de fragmentos - 1990 |
Términos y frases comunes
Referencias a este libro
Qualitative Data Analysis: A User-friendly Guide for Social Scientists Ian Dey Sin vista previa disponible - 1993 |
Postmodern Public Administration: Toward Discourse Charles J. Fox,Hugh T. Miller Vista de fragmentos - 1995 |