The speed of light, as most scientists will tell you, is one of the
foundations of modern physics: the eternal constant. Even to
suggest a varying speed of light (VSL) is tantamount to committing
academic suicide. Yet Joao Magueijo has spent much of his
professional career doing just that. This is an elaborate
cosmological detective story that takes the reader through the
early work of Einstein and Hubble to the author's own struggles to
get VSL recognized in an atmosphere of academic snobbery,
intransigence and downright hostility. More than that, this is the
story of an idea - possibly the most significant idea since
Einstein's general theory. The possibility that the speed of light
is not constant and that, specifically, it travelled faster in the
early universe than it does now has staggering implications for the
world of science. Magueijo's world is one in which cosmic strings
can be used as 'fast lanes' for space travellers. His is an eternal
universe powered by a perpetual sequence of big bangs. And this is
what makes the book so bewitching. Should Magueijo be right then,
his work doesn't just mean rewriting the books on cosmology, black
holes and astrophysics but throwing them away and starting again
from scratch. Whether posterity remembers VSL as one of science's
great 'Eureka!' moments or another academic dead-end remains to be
seen. What is indisputable is the power of Magueijo's ideas -
conveyed with a passion, humour and an naturalness which will put
even the most science-phobic readers at their ease. Faster Than The
Speed of Light challenges, charms and compels. After all, how often
do you get to read a book that really could change the world?
(Kirkus UK)
The idea that the speed of light is a constant - at 186,000 miles
per second - is one of the few scientific facts that almost
everyone knows. That constant - c- also appears in the most famous
of all scientific equations: e=mc2- Yet over the last few years, a
small group of highly reputable young physicists have suggested
that the central dogma of modern physics may not be an absolute
truth - light may have moved faster in the earlier life of the
universe, it may still be moving at different speeds elsewhere
today. In telling the story of this heresy, and its gradual journey
towards acceptance, Joao Magueijo writes as one of the three
central figures in the story, introducing the reader to modern
cosmology, to the implications of VSL (variable speed of light) and
to the world of physicists. The initial rejection of Magueijo's
ideas is beginning to give way to a reluctant acceptance that the
young men may have a point - only the next few years will tell the
final fate of this 'dangerous' idea.
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