Pegram Lecture

"Dark Energy: A Crisis for Fundamental Physics"

Presented by Christopher Stubbs, Harvard University

Monday, April 12, 2010, 4:00 pm — Berkner Hall Auditorium

Astrophysical observations provide robust evidence that our current picture of fundamental physics is incomplete. The discovery in 1998 that the expansion of the Universe is accelerating (apparently due to gravitational repulsion between regions of empty space!) presents us with a profound challenge, at the interface between gravity and quantum mechanics. This "Dark Energy" problem is arguably the most pressing open question in modern fundamental
physics. The first talk will describe why the Dark Energy problem constitutes a crisis, with wide-reaching
ramifications. One consequence is that we should probe our understanding of gravity at all accessible scales, and the second talk will present experiments and observations that are exploring this issue.

Hosted by: Peter Wanderer

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