Statistics – Computation
Scientific paper
Apr 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aps..apr.e1001k&link_type=abstract
American Physical Society, April Meeting, April 28 - May 1, 2001 Washington, DC Bulletin of the American Physical Society, Vol.
Statistics
Computation
Scientific paper
In this talk, I will ruminate on the future of the Universe, and also on the future of life within it, using as my starting point recent observations in cosmology that have changed the way we think about the Universe on large scales. I will briefly review these observations and then discuss why the Universe we appear to inhabit may be the worst of all possible universes, as far as the long-term quality and quantity of life is concerned. Then, I will describe how fundamental aspects of the way in which we teach cosmology, in particular the relation between geometry and destiny, have been altered by the recognition that the cosmological constant may be zero. Finally, I will introduce the fascinating, if somewhat academic question of whether life can be eternal in an eternally expanding universe. Surprisingly, perhaps, the answer to this question appears to hinge on issues of basic physics, in particular on issues of quantum mechanics and computation, which may determine whether life is ultimately analogue or digital.
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