PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE
 | PIRSA:11070029
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Meeting the Challenges Speaker(s): Paul Steinhardt
Abstract: This talk will be a heuristic discussion of the challenges for the big bang inflationary picture and possible approaches for addressing them.
Date: 14/07/2011 - 11:20 am
Collection: Challenges for Early Universe Cosmology
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 | PIRSA:08050058
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Some Thoughts on Dark Energy, Inflation and Extra Dimensions Speaker(s): Paul Steinhardt
Abstract:
Date: 02/06/2008 - 3:05 pm
Collection: PASCOS 08
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 | PIRSA:06090000
( Flash Presentation , Windows Presentation , Windows Video File , MP3 , PDF) Which Format?
Impossible Crystals Speaker(s): Paul Steinhardt
Abstract: This is a story of how the impossible became possible. How, for centuries, scientists were absolutely sure that solids (as well as decorative patterns like tiling and quilts) could only have certain symmetries - such as square, hexagonal and triangular - and that most symmetries, including five-fold... read more
Date: 06/09/2006 - 7:00 am
Collection: Perimeter Institute Public Lecture Series
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