A Brief History of TimeRandom House Publishing Group, 1998 M09 1 - 240 páginas #1 NEW YORK TIMES BESTSELLER |
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... allow time travel . The same conclusion fol- lows on theoretical grounds if the no boundary proposal is correct . So the question is : if the universe starts out without the kind of curvature required for time travel , can we ...
... allow you to be overdrawn on one or two accounts provided the total balance is positive . In other words , quantum theory allows the energy density to be negative in some places , provided that this is made up for by positive energy ...
... allows travel back in time on a microscopic scale and that such time travel can produce observable effects . One can therefore ask : does quantum theory allow time travel on a macroscopic scale , which people could use ? At first sight ...
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 |