Is our universe dying?
Could there be other universes?
In "Parallel Worlds," world-renowned physicist and bestselling
author Michio Kaku"--an" author who "has a knack for bringing the
most ethereal ideas down to earth" "(Wall Street Journal)--takes
readers on a fascinating tour of cosmology, M-theory, and its
implications for the fate of the universe.
In his first book of physics since "Hyperspace, Michio Kaku begins
by describing the extraordinary advances that have transformed
cosmology over the last century, and particularly over the last
decade, forcing scientists around the world to rethink our
understanding of the birth of the universe, and its ultimate fate.
In Dr. Kaku's eyes, we are living in a golden age of physics, as
new discoveries from the WMAP and COBE satellites and the Hubble
space telescope have given us unprecedented pictures of our
universe in its infancy.
As astronomers wade through the avalanche of data from the WMAP
satellite, a new cosmological picture is emerging. So far, the
leading theory about the birth of the universe is the "inflationary
universe theory," a major refinement on the big bang theory. In
this theory, our universe may be but one in a multiverse, floating
like a bubble in an infinite sea of bubble universes, with new
universes being created all the time. A parallel universe may well
hover a mere millimeter from our own.
The very idea of parallel universes and the string theory that can
explain their existence was once viewed with suspicion by
scientists, seen as the province of mystics, charlatans, and
cranks. But today, physicists overwhelmingly support string-theory,
and its latest iteration, M-theory, as it is this onetheory that,
if proven correct, would reconcile the four forces of the universe
simply and elegantly, and answer the question "What happened before
the big bang?"
Already, Kaku explains, the world's foremost physicists and
astronomers are searching for ways to test the theory of the
multiverse using highly sophisticated wave detectors, gravity
lenses, satellites, and telescopes. The implications of M-theory
are fascinating and endless. If parallel worlds do exist, Kaku
speculates, in time, perhaps a trillion years or more from now, as
appears likely, when our universe grows cold and dark in what
scientists describe as a big freeze, advanced civilizations may
well find a way to escape our universe in a kind of
"inter-dimensional lifeboat."
An unforgettable journey into black holes and time machines,
alternate universes, and multidimensional space, "Parallel Worlds
gives us a compelling portrait of the revolution sweeping the world
of cosmology.
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