David's Reviews > A Universe from Nothing: Why There Is Something Rather Than Nothing

A Universe from Nothing by Lawrence M. Krauss
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Mar 11, 2012

really liked it
Read in March, 2012

This is a very well crafted overview of current developments in cosmology. Among the topics covered are the theoretical background and empirical evidence for the big bang (e.g., the cosmic microwave background radiation and the relative abundances of the light isotopes), the discovery of the accelerating universe, and, with some emphasis, the empirically confirmed prediction that the universe is "flat", which implies that it is a "free lunch", in the sense that the positive energy measured from the presence of matter is roughly balanced by the negative potential energy. Krauss then notes how the measured vacuum energy potential of the universe differs from predictions of theory by 120 orders of magnitude -- the cosmological constant paradox.

The only aspect of the book that was a bit tiresome is the author's frequent assertions that belief in God is nixed by these findings. Even persons who are not particularly religious will recognize that the author is off on a tangent here every bit as pedantic as that taken by some religious fundamentalists.
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