EAN: 9780262046480

AN INFINITY OF WORLDS - WILL KINNEY GEBUNDEN

What happened before the primordial fire of the Big Bang: a theory about the ultimate origin of
the universe. In the beginning was the Big Bang: an unimaginably hot fire almost fourteen
billion years ago in which the first elements were forged. The physical theory of the hot
nascent universe-the Big Bang-was one of the most consequential developments in
twentieth-century science. And yet it leaves many questions unanswered: Why is the universe so
big? Why is it so old? What is the origin of structure in the cosmos? In An Infinity of Worlds
physicist Will Kinney explains a more recent theory that may hold the answers to these
questions and even explain the ultimate origins of the universe: cosmic inflation  before the
primordial fire of the Big Bang. Kinney argues that cosmic inflation is a transformational idea
in cosmology  changing our picture of the basic structure of the cosmos and raising unavoidable
questions about what we mean by a scientific theory. He explains that inflation is a remarkable
unification of inner space and outer space  in which the physics of the very large (the cosmos)
meets the physics of the very small (elementary particles and fields)  closing in a full circle
at the first moment of time. With quantum uncertainty its fundamental feature  this new picture
of cosmic origins introduces the possibility that the origin of the universe was of a quantum
nature. Kinney considers the consequences of eternal cosmic inflation. Can we come to terms
with the possibility that our entire observable universe is one of infinitely many  forever
hidden from our view?

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