Gravity: A Status Report
Part 2: The Universality of Gravity

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Description of the talk:

Speaker: Professor Rachel Rosen, Columbia University
Part of Nevis Labs' #ScienceOnHudson lecture series
Recorded Thu Feb 8, 2018

The unexpected discovery of the accelerating expansion of the universe has compelled us to question our current theory of gravity — Einstein’s general relativity. In this talk I’ll review the basic principles behind general relativity and discuss modifications of these principles that could alter the evolution of our universe.