Excellent review of Leonard Susskind's book:
http://www.fourmilab.ch/fourmilog/archives/2006-03/000664.html
excerpt:
"Susskind is eloquent in describing why the discovery that the
cosmological constant, which virtually every theoretical physicist
would have bet had to be precisely zero, is (apparently) a small tiny
positive number, seemingly fine tuned to one hundred and twenty decimal
places "hit us like the proverbial ton of bricks" (p. 185)-here was a
number which, not only did theory suggest should be 120 orders of
magnitude greater, but which, had it been slightly larger than its
minuscule value, would have precluded structure formation (and hence
life) in the universe."
Terry
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